US2427281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency lock release
Assignee: Individual
•
Filing: 1944-12-26
•
Granted: 1947-09-09
•
Expires: 1964-12-26
Abstract
No abstract record available.
Inventors
- 👤 Gust J Holanbek
- 👤 Walter L Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
E; E05; E05B; E05B39/00; E05B39/02; E05B39/025; Y; Y10; Y10T; Y10T70/00; Y10T70/80; Y10T70/8946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |