US1805249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock for folding doors
Assignee: National Pneumatic Co Inc
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Filing: 1927-10-01
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Granted: 1931-05-12
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Expires: 1947-10-01
Abstract
No abstract record available.
Inventors
- 👤 Laurent Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:18
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/50; E05F15/53; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/51; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021
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) | 1934-05-11 | 1934-11-10 | 1935-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-11 | 1938-11-10 | 1939-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-11 | 1942-11-10 | 1943-05-12 | $7700.00 | Window Closed / Lapsed |