Patent US2493331A successfully refreshed from Google Patents.
US2493331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothesline hanger
Assignee: Individual
•
Filing: 1947-08-01
•
Granted: 1950-01-03
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Robert R Adams
- 👤 Robert L Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
D; D06; D06F; D06F53/00; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US593256A
Cited
FR339948A
Cited
US801455A
Cited
US950434A
Cited
US1202503A
Cited
US1250876A
Cited
US1382046A
Cited
US1373349A
Cited
US1737406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |