Patent US3039837A successfully refreshed from Google Patents.
US3039837A
Expired / Lapsed
US
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Latching device
Assignee: Hartwell Corp
•
Filing: 1960-01-08
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Granted: 1962-06-19
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Poe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:06
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/045; Y; Y10; Y10S; Y10S292/00; Y10S292/30; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1943927A
Cited
US2132806A
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US2154936A
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US2504364A
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US2514246A
Cited
US2574745A
Cited
US2830843A
Cited
US2771523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |