Patent US3044639A successfully refreshed from Google Patents.
US3044639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock rod mechanism
Assignee: Alliance Machine Co
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Filing: 1958-10-30
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Granted: 1962-07-17
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Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:16
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0025; F27D3/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB203765A
Cited
US2100445A
Cited
GB500673A
Cited
GB517314A
Cited
US2261444A
Cited
US2346857A
Cited
US2462580A
Cited
US2403325A
Cited
US2524055A
Cited
US2757641A
Cited
GB794444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |