US2761464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot controlled regulator
Assignee: Norgren LLC
•
Filing: 1953-06-08
•
Granted: 1956-09-04
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Delbert G Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:34
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0672; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US951172A
Cited
US1178802A
Cited
US1228104A
Cited
US1595809A
Cited
US1956977A
Cited
US2150460A
Cited
US2196279A
Cited
US2257171A
Cited
US2239116A
Cited
US2587375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |