US2402202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor
Assignee: KENYON SPENCER
•
Filing: 1944-07-17
•
Granted: 1946-06-18
•
Expires: 1964-07-17
Abstract
No abstract record available.
Inventors
- 👤 John S Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:29
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/24; B63B21/243; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/4986
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) | 1949-06-17 | 1949-12-17 | 1950-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-17 | 1953-12-17 | 1954-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-17 | 1957-12-17 | 1958-06-18 | $7700.00 | Window Closed / Lapsed |