US2938969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequence timer
Assignee: GLADDEN PRODUCTS Corp
•
Filing: 1958-09-19
•
Granted: 1960-05-31
•
Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 John N Gladden
- 👤 Jr Charles E Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:14
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1343141A
Cited
US1993793A
Cited
US2094060A
Cited
US2634342A
Cited
US2715169A
Cited
US2748857A
Cited
US2707731A
Cited
US2777193A
Cited
US2792460A
Cited
US2796497A
Cited
US2834095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |