US2537142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preformed and preshaded jacket crown and method of fitting same
Assignee: Individual
•
Filing: 1947-05-02
•
Granted: 1951-01-09
•
Expires: 1967-05-02
Abstract
No abstract record available.
Inventors
- 👤 Allan M Lankford
- 👤 Donald G Russell
- 👤 Robert W Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:29
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; A61C5/00; A61C5/70; A61C5/73; A61C5/77
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |