US2125912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical heating
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1932-12-27
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Granted: 1938-08-09
•
Expires: 1952-12-27
Abstract
No abstract record available.
Inventors
- 👤 George Henri
- 👤 Delpech Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:21
CPC Classifications
C; C03; C03B; C03B17/00; C03B17/06; C03B17/061; C03B19/00; C03B19/04; C03B19/06; C03B23/00; C03B23/02; C03B23/023; C03B23/035; C03B23/0352; C03B23/0357; C03B5/00; C03B5/02; C03B5/033; C03B5/0338
Claims Analysis
Total Claims: 0
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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) | 1941-08-08 | 1942-02-07 | 1942-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-08 | 1946-02-07 | 1946-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-08 | 1950-02-07 | 1950-08-09 | $7700.00 | Window Closed / Lapsed |