Patent US2601511A successfully refreshed from Google Patents.
US2601511A
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Pneumatically operated diaphragm motor
Assignee: Fisher Governor Co
•
Filing: 1948-08-17
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Granted: 1952-06-24
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Expires: 1968-08-17
Abstract
No abstract record available.
Inventors
- 👤 Donald J Gaffney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:07
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1268; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE14235C
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US2372345A
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DE644689C
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US1937244A
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US2092019A
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US2376671A
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US2382941A
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US2400048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |