Patent US2767137A successfully refreshed from Google Patents.
US2952078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlled heating and cooling of continuous textile material
Assignee: Individual
•
Filing: 1953-11-30
•
Granted: 1960-09-13
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Cyril A Litzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/21
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |