US2836918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for firearms
Assignee: JOSEPH MARSZALKOWSKI
•
Filing: 1955-08-24
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Granted: 1958-06-03
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Expires: 1975-08-24
Abstract
No abstract record available.
Inventors
- 👤 Pula Stephen
- 👤 Loparto George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
F; F41; F41A; F41A17/00; F41A17/44; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |