US2529088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making one-piece angular frame members
Assignee: Individual
•
Filing: 1947-09-16
•
Granted: 1950-11-07
•
Expires: 1967-09-16
Abstract
No abstract record available.
Inventors
- 👤 James M Leake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1140567A
Cited
US1493516A
Cited
US1581680A
Cited
US1580930A
Cited
US1623325A
Cited
US1536038A
Cited
US1660493A
Cited
US1892754A
Cited
GB361069A
Cited
US1865570A
Cited
GB353820A
Cited
US1958467A
Cited
US1999482A
Cited
US1914179A
Cited
US1966723A
Cited
US2430437A
Cited
US2366487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |