US3036449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric tensioning device for knitting machines and method
Assignee: Hemphill Co
•
Filing: 1955-04-12
•
Granted: 1962-05-29
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Pierre Paul Leo St
- 👤 Wawzonek Joseph
- 👤 Pierre Eugene St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:33
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/88; D04B15/92
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |