US1436207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: Individual
•
Filing: 1921-03-29
•
Granted: 1922-11-21
•
Expires: 1941-03-29
Abstract
No abstract record available.
Inventors
- 👤 Spencer Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:58
CPC Classifications
F; F16; F16K; F16K35/00; F16K35/06; Y; Y10; Y10S; Y10S220/00; Y10S220/32; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7256; Y10T137/8593; Y10T137/86348; Y10T137/86493; Y10T137/86831; Y10T137/87917; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5593; Y10T70/5889; Y10T70/5912; Y10T70/592
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) | 1925-11-20 | 1926-05-22 | 1926-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-20 | 1930-05-22 | 1930-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-20 | 1934-05-22 | 1934-11-21 | $7700.00 | Window Closed / Lapsed |