US3006282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-plastic hand pump
Assignee: BECKSON Manufacturing CO
•
Filing: 1957-10-21
•
Granted: 1961-10-31
•
Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Earl L Sisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:25
CPC Classifications
B; B63; B63B; B63B13/00; F; F04; F04B; F04B9/00; F04B9/14; F05; F05C; F05C2225/00; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2371991A
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US2577417A
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US2793089A
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US2883939A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |