US2849013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple jet pipe relay regulator
Assignee: Askania Regulator Co
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Filing: 1956-07-27
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Granted: 1958-08-26
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Expires: 1976-07-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Callender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:54
CPC Classifications
G; G05; G05B; G05B6/00; G05B6/05; F; F22; F22D; F22D11/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |