US2913207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable supporting unit
Assignee: KLEER KLEEN Manufacturing Co
•
Filing: 1956-12-10
•
Granted: 1959-11-17
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Owen J Eash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:45
CPC Classifications
F; F16; F16M; F16M5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US412199A
Cited
US732507A
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US825248A
Cited
US1179955A
Cited
US1264228A
Cited
US1667913A
Cited
GB702658A
Cited
US2719509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |