US2553704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head space gauge for firearms
Assignee: Individual
•
Filing: 1947-07-26
•
Granted: 1951-05-22
•
Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 Vincent W Eckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575671A
Cited
US741183A
Cited
GB190313617A
Cited
US1256255A
Cited
US1299627A
Cited
US1351721A
Cited
FR569420A
Cited
US2433108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |