US3531952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knit head cover and method of forming same
Assignee: Wigwam Mills Inc
•
Filing: 1968-12-24
•
Granted: 1970-10-06
•
Expires: 1988-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Chesebro Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:59
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/04; A42B1/046; D; D04; D04B; D04B1/00; D04B1/22; D04B1/24
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |