US2961700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion mill assembly
Assignee: Individual
•
Filing: 1957-09-05
•
Granted: 1960-11-29
•
Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Edgar N Meakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:42
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/395; Y; Y10; Y10S; Y10S425/00; Y10S425/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1778389A
Cited
US2434690A
Cited
US2336114A
Cited
US2391638A
Cited
US2582244A
Cited
US2767437A
Cited
US2818790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |