Difference between revisions of "Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co (Q39993)"

@@ Property / Publication date / Property / Publication date @@
-March 1917^GregorianTimestamp +1917-03-26T00:00:00Z
Timezone +00:00
Calendar Gregorian
Precision 1 day
Before 0
After 0
+October 1920^GregorianTimestamp +1920-10-07T00:00:00Z
Timezone +00:00
Calendar Gregorian
Precision 1 day
Before 0
After 0
-Timestamp
++1917-03-26T00:00:00Z
-Timezone
++00:00
-Calendar
+Gregorian
-Precision
+day
 Before
 After
-Timestamp
++1920-10-07T00:00:00Z
-Timezone
++00:00
-Calendar
+Gregorian
-Precision
+day
 Before
 After
@@ Property / Copy available online / Property / Copy available online @@
-https://patents.google.com/patent/AT73235B
+https://patents.google.com/patent/DE327234C
@@ Property / mentions / Property / mentions @@
-pyrotechnics and fire effects
+sound effect
@@ Property / Field @@
+sound, music and amplification
@@ Property / Field: sound, music and amplification / rank @@
+Normal rank