US2878830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control
Assignee: AW Cash Co
•
Filing: 1956-02-27
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Granted: 1959-03-24
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Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 John A Wiedmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/10; F24D19/1006; F24D19/1051; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133; F24H9/136; 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; Y10T137/7794; Y10T137/7822; Y10T137/7823; Y10T137/7826; Y10T137/8593; Y10T137/87265; Y10T137/8733; Y10T137/87499
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |