US2662453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cell case partition assembling machine
Assignee: Individual
•
Filing: 1947-10-13
•
Granted: 1953-12-15
•
Expires: 1967-10-13
Abstract
No abstract record available.
Inventors
- 👤 George G Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:28
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0004; B31D5/0013; B31B; B31B50/00; B31B50/74; B31B50/81; B31B2105/00; B31B2120/00; B31B2120/20; B31B2120/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US303985A
Cited
US659010A
Cited
US1682878A
Cited
US1643357A
Cited
US2355461A
Cited
US2414336A
Cited
US2353842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |