US3011810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible pole assembly
Assignee: Individual
•
Filing: 1959-01-12
•
Granted: 1961-12-05
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Martha H Crowder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:35
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/32; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/602; Y10T403/604; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1396787A
Cited
US1741969A
Cited
US1631567A
Cited
US1859223A
Cited
US1970624A
Cited
US2367196A
Cited
US2490369A
Cited
US2456205A
Cited
US2508039A
Cited
US2873129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |