US3530535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear extruding apparatus
Assignee: Individual
•
Filing: 1966-12-16
•
Granted: 1970-09-29
•
Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Carrol C Sachs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:44
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/465; B29C48/022; B29C48/03; B29C48/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US964550A
Cited
US1561612A
Cited
US2205328A
Cited
US2290752A
Cited
US2448214A
Cited
US2520337A
Cited
US2717420A
Cited
US2767437A
Cited
US2958900A
Cited
US3167813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |