US2487527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clothesline supporting structure
Assignee: Individual
•
Filing: 1945-06-30
•
Granted: 1949-11-08
•
Expires: 1965-06-30
Abstract
No abstract record available.
Inventors
- 👤 Davis Preston
- 👤 Harold G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:05
CPC Classifications
D; D06; D06F; D06F53/00; D06F53/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US84928A
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US647911A
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US932353A
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US1017147A
Cited
US1170747A
Cited
US1433553A
Cited
US1722233A
Cited
US1844228A
Cited
US2202193A
Cited
US2280526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |