US2639824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery separator dispensing mechanism
Assignee: Individual
•
Filing: 1949-06-08
•
Granted: 1953-05-26
•
Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 John K Shannon
- 👤 Robert R Schmit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:59
CPC Classifications
B; B65; B65G; B65G59/00; B65G59/06; B65G59/067; H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M10/14; H01M50/00; H01M50/40; H01M50/403; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1395941A
Cited
US1902599A
Cited
US1938815A
Cited
US2085153A
Cited
US2319251A
Cited
US2324523A
Cited
US2436075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |