US2708523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring tensioned holding devices
Assignee: Individual
•
Filing: 1952-06-04
•
Granted: 1955-05-17
•
Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Rozanski Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
A; A47; A47K; A47K1/00; A47K1/08; A47K1/09; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/51; A47L13/512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010057A
Cited
US1266962A
Cited
US1494148A
Cited
US1671725A
Cited
US2540546A
Cited
US2569021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |