Patent US2616440A successfully refreshed from Google Patents.
US2616440A
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Pneumatic control mechanism
Assignee: MASON NEILAN REGULATOR Co
•
Filing: 1944-08-03
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Granted: 1952-11-04
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Expires: 1964-08-03
Abstract
No abstract record available.
Inventors
- 👤 Clesson E Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:47
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/50; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/7287; Y10T137/7313; Y10T137/7323; Y10T137/7358; Y10T137/7407; Y10T137/742; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146; Y10T74/22
Claims Analysis
Total Claims: 0
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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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |