US2337376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat
Assignee: Individual
•
Filing: 1941-04-19
•
Granted: 1943-12-21
•
Expires: 1961-04-19
Abstract
No abstract record available.
Inventors
- 👤 Michelis Peter De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:42
CPC Classifications
B; B63; B63H; B63H5/00; B63H5/07; B63H5/125; B63H5/1252; B63B; B63B1/00; B63B1/16; B63B1/18; B63H25/00; B63H25/06; B63H25/08; B63H25/10
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) | 1946-12-20 | 1947-06-21 | 1947-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-20 | 1951-06-21 | 1951-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-20 | 1955-06-21 | 1955-12-21 | $7700.00 | Window Closed / Lapsed |