Patent US2806722A successfully refreshed from Google Patents.
US2806722A
Expired / Lapsed
US
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Telescopic support
Assignee: Individual
•
Filing: 1953-08-19
•
Granted: 1957-09-17
•
Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Albert E Atkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/18; E04H12/182; F; F16; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1472; F16C; F16C29/00; F16C29/04; F16C29/045; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32501; Y10T403/32549
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |