US1753222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-picture-projecting device
Assignee: GUS DURKIN
•
Filing: 1929-05-06
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Granted: 1930-04-08
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Expires: 1949-05-06
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Timoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:52
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/08; G03; G03B; G03B41/00; G03B41/02; G03B41/04
Claims Analysis
Total Claims: 0
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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) | 1933-04-07 | 1933-10-07 | 1934-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-07 | 1937-10-07 | 1938-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-07 | 1941-10-07 | 1942-04-08 | $7700.00 | Window Closed / Lapsed |