Patent US2549832A successfully refreshed from Google Patents.
US2549832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replaceable gun lining
Assignee: Individual
•
Filing: 1945-05-07
•
Granted: 1951-04-24
•
Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 Mackta Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/02; F41A21/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |