US2925021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making hair curling tube
Assignee: Individual
•
Filing: 1958-08-22
•
Granted: 1960-02-16
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Basta Lawrence Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:23
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/14; A45D2/20; Y; Y10; Y10S; Y10S138/00; Y10S138/01; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038
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) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |