US2494085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothesline tightener
Assignee: ROGER G CLARK
•
Filing: 1947-08-04
•
Granted: 1950-01-10
•
Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Dana G Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:18
CPC Classifications
D; D06; D06F; D06F53/00; D06F53/04; F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/3938
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1084476A
Cited
US1363002A
Cited
US1424537A
Cited
US1592481A
Cited
US1670257A
Cited
US1985989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |