US1833015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing device for talking motion pictures and the like
Assignee: Individual
•
Filing: 1923-10-31
•
Granted: 1931-11-24
•
Expires: 1943-10-31
Abstract
No abstract record available.
Inventors
- 👤 Bryan M Battey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/50; G03B31/00; G03B31/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-11-23 | 1935-05-25 | 1935-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-23 | 1939-05-25 | 1939-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-23 | 1943-05-25 | 1943-11-24 | $7700.00 | Window Closed / Lapsed |