US3397655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming flour tortillas
Assignee: Individual
•
Filing: 1966-12-14
•
Granted: 1968-08-20
•
Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Valadez Heliodoro
- 👤 Perez Rodolfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:18
CPC Classifications
A; A21; A21B; A21B5/00; A21B5/02; A21C; A21C11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |