Patent US2673004A successfully refreshed from Google Patents.
US2673004A
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US
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Pressure bulb and holder
Assignee: Knapp Monarch Co
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Filing: 1949-06-25
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Granted: 1954-03-23
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Expires: 1969-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert S Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:58
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/38; B65D83/382; F; F17; F17C; F17C13/00; F17C13/06; F17C13/08; F17C13/084; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/05; F17C2201/058; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0111; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/032; 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) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |