US2345246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible mandrel
Assignee: Individual
•
Filing: 1943-02-11
•
Granted: 1944-03-28
•
Expires: 1963-02-11
Abstract
No abstract record available.
Inventors
- 👤 Paul P Elka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:09
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/248; B65H75/2484; A; A47; A47K; A47K10/00; A47K10/16; A47K10/18; A47K10/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-28 | 1947-09-27 | 1948-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-28 | 1951-09-27 | 1952-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-28 | 1955-09-27 | 1956-03-28 | $7700.00 | Window Closed / Lapsed |