US3452967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cylinder for heat treatment of fabrics or the like continuous materials
Assignee: Individual
•
Filing: 1967-09-20
•
Granted: 1969-07-01
•
Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 Maurice Durand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:54
CPC Classifications
F; F28; F28F; F28F5/00; F28F5/02; D; D06; D06B; D06B23/00; D06B23/02; D06B23/028; D06C; D06C15/00; D06C15/08; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; F26B13/186
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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |