Patent US2007714A successfully refreshed from Google Patents.
US2007714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid heater
Assignee: Individual
•
Filing: 1933-03-27
•
Granted: 1935-07-09
•
Expires: 1953-03-27
Abstract
No abstract record available.
Inventors
- 👤 Frank A Gauger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/08; F23N1/085; F23N5/00; F23N5/20; F23N5/206; F23N2225/00; F23N2225/08; F23N2225/21; F23N2227/00; F23N2227/10; F23N2227/28; F23N2227/30; F23N2227/36; F23N2229/00; F23N2229/02; F23N2235/00; F23N2235/12; F23N2235/14; F23N2241/00; F23N2241/04; F23N5/02; F23N5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-07-08 | 1939-01-07 | 1939-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-08 | 1943-01-07 | 1943-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-08 | 1947-01-07 | 1947-07-09 | $7700.00 | Window Closed / Lapsed |