US2197877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cord lift
Assignee: W G SHELTON Co
•
Filing: 1939-11-03
•
Granted: 1940-04-23
•
Expires: 1959-11-03
Abstract
No abstract record available.
Inventors
- 👤 Racen Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:13
CPC Classifications
A; A45; A45D; A45D4/00; A45D4/18; H; H02; H02G; H02G11/00; H02G11/003; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3984
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |