US2776070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-aligning, self-venting hatch cover means
Assignee: JOE L COX
•
Filing: 1954-03-22
•
Granted: 1957-01-01
•
Expires: 1974-03-22
Abstract
No abstract record available.
Inventors
- 👤 Alger W Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:32
CPC Classifications
B; B61; B61D; B61D7/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861; Y10T137/7862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439040A
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US522137A
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US1585512A
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US1550213A
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US2452612A
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US2487454A
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US2533771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |