US2991341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-sensing hermetically sealed thermostats
Assignee: Individual
•
Filing: 1957-07-29
•
Granted: 1961-07-04
•
Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ulanet Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:01
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1650979A
Cited
US2261412A
Cited
US2294482A
Cited
US2433687A
Cited
US2500760A
Cited
US2664455A
Cited
US2809253A
Cited
US2773955A
Cited
US2723336A
Cited
US2774846A
Cited
US2767284A
Cited
US2824933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |