US2797942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic clothesline props or the like
Assignee: Individual
•
Filing: 1952-07-12
•
Granted: 1957-07-02
•
Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Schwalbe Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:07
CPC Classifications
D; D06; D06F; D06F53/00; D06F53/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1731382A
Cited
US1620913A
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US1681192A
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US1811281A
Cited
FR947002A
Cited
US2504392A
Cited
US2565433A
Cited
US2604291A
Cited
US2546157A
Cited
US2658777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |