Patent US2699174A successfully refreshed from Google Patents.
US2699174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas delivery regulator
Assignee: Individual
•
Filing: 1951-02-15
•
Granted: 1955-01-11
•
Expires: 1971-02-15
Abstract
No abstract record available.
Inventors
- 👤 Rochette Rene Etienne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:28
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/02; A62B9/022; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; Y; Y10; Y10S; Y10S137/00; Y10S137/908; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7832; Y10T137/7835; Y10T137/7836; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US787421A
Cited
GB117652A
Cited
US1551908A
Cited
US1631262A
Cited
US1800280A
Cited
FR726105A
Cited
US2220368A
Cited
CH236133A
Cited
US2418034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-10 | 1958-07-12 | 1959-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-10 | 1962-07-12 | 1963-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-10 | 1966-07-12 | 1967-01-11 | $7700.00 | Window Closed / Lapsed |