US2707491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible tubing
Assignee: Motors Liquidation Co
•
Filing: 1951-08-17
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Granted: 1955-05-03
•
Expires: 1971-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edward P Harris
- 👤 Frederick W Sampson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/112; B29C; B29C48/00; B29C48/03; B29C48/12; B29C48/131; B29C48/15; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375877A
Cited
FR846632A
Cited
US2622623A
Cited
US2452047A
Cited
US2406838A
Cited
US2448485A
Cited
US2524522A
Cited
US2570259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |