US2927602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: BIRMINGHAM HYDRAULICS Inc
•
Filing: 1957-04-05
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Granted: 1960-03-08
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Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Eklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:08
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0821; F15B13/0825; F15B13/0828; F15B13/0832; F15B13/0878; F15B13/0885; F15B13/0892; F15B13/0896; F16; F16K; F16K27/00; F16K27/003; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/8593; Y10T137/87153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US796690A
Cited
US2689584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |