US2709000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing pull-out
Assignee: Motors Liquidation Co
•
Filing: 1949-08-13
•
Granted: 1955-05-24
•
Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Frank
- 👤 John W Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/006; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US774530A
Cited
US779980A
Cited
US1786779A
Cited
US2135806A
Cited
US2254380A
Cited
US2523836A
Cited
US2372646A
Cited
US2438448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |