US1530655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-stage triple bolt lock
Assignee: Individual
•
Filing: 1921-08-15
•
Granted: 1925-03-24
•
Expires: 1941-08-15
Abstract
No abstract record available.
Inventors
- 👤 Francis J Dowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:34
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/127; Y; Y10; Y10S; Y10S106/00; Y10S106/03; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/5252; Y10T70/5261; Y10T70/5296; Y10T70/5319; Y10T70/5327
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) | 1928-03-23 | 1928-09-22 | 1929-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-03-23 | 1932-09-22 | 1933-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-03-23 | 1936-09-22 | 1937-03-24 | $7700.00 | Window Closed / Lapsed |