US1642501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch and lock mechanism
Assignee: ALL STEEL EQUIP Co
•
Filing: 1927-03-25
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Granted: 1927-09-13
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Expires: 1947-03-25
Abstract
No abstract record available.
Inventors
- 👤 Knell John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/02; E05B65/025; E05C; E05C9/00; E05C9/002; Y; Y10; Y10S; Y10S292/00; Y10S292/16; Y10S292/68; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0961; Y10T292/0962; Y10T292/0968; Y10T292/54
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) | 1930-09-12 | 1931-03-14 | 1931-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-12 | 1935-03-14 | 1935-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-12 | 1939-03-14 | 1939-09-13 | $7700.00 | Window Closed / Lapsed |