US2682886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction apparatus
Assignee: ALFRED SULLIVAN
•
Filing: 1951-01-27
•
Granted: 1954-07-06
•
Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Dewey M Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/04; F01; F01M; F01M11/00; F01M11/04; F01M11/045; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1986476A
Cited
US1817016A
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US1987649A
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US1926399A
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US2020350A
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US2124620A
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US2223553A
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US2536492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |