US2074464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hatch cover fastener and lock
Assignee: W H MINER Inc
•
Filing: 1934-05-03
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Granted: 1937-03-23
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Expires: 1954-05-03
Abstract
No abstract record available.
Inventors
- 👤 William M Dwyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:10
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0025; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/18; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/20; Y10T292/28; Y10T292/285; Y10T292/286; Y10T292/31
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) | 1940-03-22 | 1940-09-21 | 1941-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-22 | 1944-09-21 | 1945-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-22 | 1948-09-21 | 1949-03-23 | $7700.00 | Window Closed / Lapsed |