US1615735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mirror
Assignee: General Electric Co
•
Filing: 1923-07-24
•
Granted: 1927-01-25
•
Expires: 1943-07-24
Abstract
No abstract record available.
Inventors
- 👤 Frank A Benford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04
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) | 1930-01-24 | 1930-07-26 | 1931-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-01-24 | 1934-07-26 | 1935-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-01-24 | 1938-07-26 | 1939-01-25 | $7700.00 | Window Closed / Lapsed |