US2590936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron cord support and retriever
Assignee: Individual
•
Filing: 1946-05-31
•
Granted: 1952-04-01
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Frank D Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:10
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1532536A
Cited
US2047060A
Cited
US2125188A
Cited
US2247551A
Cited
US2356979A
Cited
US2462464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |