US2803239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profile saw
Assignee: Individual
•
Filing: 1955-10-04
•
Granted: 1957-08-20
•
Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 D Avancourt Pierre De Vitry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:26
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/30; B23; B23D; B23D57/00; B23D57/003; B23D57/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US21622A
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US311741A
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US497400A
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US594542A
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US774018A
Cited
US1622908A
Cited
US1743057A
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US2134743A
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US2398346A
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US2666863A
Cited
FR1089014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |