Patent US2807507A successfully refreshed from Google Patents.
US2807507A
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US
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Assignee: Individual
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Filing: 1955-12-02
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Granted: 1957-09-24
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Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Paul W Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:34
CPC Classifications
B; B60; B60B; B60B19/00; B60B11/00; B60B11/02; B60B23/00; B60B23/06; B60B23/10; B60B23/12; B60B35/00; B60B35/02; B60B35/10; B60B35/1009; B60B35/1072; B60B35/1081; B60B2310/00; B60B2310/30; B60B2310/305; B60B2360/00; B60B2360/10; B60B2900/00; B60B2900/10; B60B2900/116; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |