Patent US535112A successfully refreshed from Google Patents.
Patent US996348A successfully refreshed from Google Patents.
Patent CH309294A successfully refreshed from Google Patents.
Patent AT269560B successfully refreshed from Google Patents.
Patent US971101A successfully refreshed from Google Patents.
US971101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating unit.
Assignee: General Electric Co
•
Filing: 1908-07-23
•
Granted: 1910-09-27
•
Expires: 1928-07-23
Abstract
No abstract record available.
Inventors
- 👤 Tycho Van Aller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:18
CPC Classifications
H; H01; H01C; H01C7/00
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) | 1913-09-26 | 1914-03-28 | 1914-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-26 | 1918-03-28 | 1918-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-26 | 1922-03-28 | 1922-09-27 | $7700.00 | Window Closed / Lapsed |