US2726637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pencil
Assignee: General Dynamics Corp
•
Filing: 1952-10-10
•
Granted: 1955-12-13
•
Expires: 1972-10-10
Abstract
No abstract record available.
Inventors
- 👤 Otto H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:12
CPC Classifications
B; B43; B43K; B43K21/00; B43K21/02; B43K21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US240399A
Cited
US267134A
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US321784A
Cited
US1068057A
Cited
US1361554A
Cited
US1848224A
Cited
FR702323A
Cited
US2669222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |