Patent US2685383A successfully refreshed from Google Patents.
US2685383A
Expired / Lapsed
US
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Pressure bulb cap
Assignee: Knapp Monarch Co
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Filing: 1952-09-20
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Granted: 1954-08-03
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Expires: 1972-09-20
Abstract
No abstract record available.
Inventors
- 👤 William B Kochner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:22
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/06; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2270/00; F17C2270/07; F17C2270/0736
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |