Patent US3398684A successfully refreshed from Google Patents.
US3398684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caseless cartridges
Assignee: United Shoe Machinery Corp
•
Filing: 1966-06-28
•
Granted: 1968-08-27
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Kvavle Robert Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/18; F42B5/188; F42B15/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US5701A
Cited
US40092A
Cited
US552919A
Cited
US1243253A
Cited
US2307369A
Cited
US2407264A
Cited
US3311057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |