Patent US3041885A successfully refreshed from Google Patents.
US3041885A
Expired / Lapsed
US
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Bellows
Assignee: BALDWIN MONTROSE CHEMICAL COMP
•
Filing: 1959-05-11
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Granted: 1962-07-03
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Clifford S Christiansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:56
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/041; F16J3/046; Y; Y10; Y10S; Y10S277/00; Y10S277/918; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2007501A
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US2211817A
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US2465546A
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US2464988A
Cited
FR1081076A
Cited
US2761694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |