US2827078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve actuating mechanism
Assignee: International Basic Economy Corp
•
Filing: 1952-09-11
•
Granted: 1958-03-18
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Expires: 1972-09-11
Abstract
No abstract record available.
Inventors
- 👤 Carl W Zies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52408; F16K31/52441; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0173; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/877; Y10T137/87788; Y10T137/87804; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450534A
Cited
US2108183A
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US1337908A
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US1535409A
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FR685335A
Cited
GB330873A
Cited
US2037407A
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US2548342A
Cited
US2605076A
Cited
US2632362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |