US2009269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway switch circuit controller connection
Assignee: RAILROAD ACCESSORIES CORP
•
Filing: 1933-07-20
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Granted: 1935-07-23
•
Expires: 1953-07-20
Abstract
No abstract record available.
Inventors
- 👤 Beverly A Lundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:53
CPC Classifications
B; B61; B61L; B61L5/00; B61L5/10; B61L5/107; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32163; Y10T403/32172; Y10T403/32181; Y10T403/32606; Y10T403/32819; Y10T403/32844; Y10T74/00; Y10T74/21; Y10T74/2142
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) | 1938-07-22 | 1939-01-21 | 1939-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-22 | 1943-01-21 | 1943-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-22 | 1947-01-21 | 1947-07-23 | $7700.00 | Window Closed / Lapsed |