US2860658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pressure regulator
Assignee: Airco Inc
•
Filing: 1953-11-09
•
Granted: 1958-11-18
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 John S Senesky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:21
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0663; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/782; Y10T137/7821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US399565A
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US1410089A
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US2050041A
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US2161544A
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US2288733A
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US2343146A
Cited
US2678187A
Cited
US2645062A
Cited
US2703103A
Cited
US2674829A
Cited
US2747834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |