US1695950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace
Assignee: Westinghouse Electric Corp
•
Filing: 1926-07-17
•
Granted: 1928-12-18
•
Expires: 1946-07-17
Abstract
No abstract record available.
Inventors
- 👤 Cranston H Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:16
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/147; F27B9/20; F27B9/24; F27B9/2453; F27D; F27D3/00; F27D3/02; F27D3/022
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) | 1931-12-18 | 1932-06-18 | 1932-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-18 | 1936-06-18 | 1936-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-18 | 1940-06-18 | 1940-12-18 | $7700.00 | Window Closed / Lapsed |