Patent US2545473A successfully refreshed from Google Patents.
US2545473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muzzle cover
Assignee: Individual
•
Filing: 1945-04-30
•
Granted: 1951-03-20
•
Expires: 1965-04-30
Abstract
No abstract record available.
Inventors
- 👤 George A Kremkau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:30
CPC Classifications
F; F41; F41A; F41A35/00; F41A35/02; F41A35/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE25822C
Cited
DE90531C
Cited
FR361315A
Cited
GB191514973A
Cited
GB191512087A
Cited
CH72181A
Cited
DE325049C
Cited
US1229991A
Cited
US1376320A
Cited
CH87397A
Cited
US1560322A
Cited
DE576761C
Cited
US2385051A
Cited
US2465163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |