US1215072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation product.
Assignee: General Electric Co
•
Filing: 1915-01-02
•
Granted: 1917-02-06
•
Expires: 1935-01-02
Abstract
No abstract record available.
Inventors
- 👤 Charles P Steinmetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:16
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28
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) | 1920-02-06 | 1920-08-07 | 1921-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-02-06 | 1924-08-07 | 1925-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-02-06 | 1928-08-07 | 1929-02-06 | $7700.00 | Window Closed / Lapsed |