Patent US3101960A successfully refreshed from Google Patents.
US3101960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closet ring
Assignee: Individual
•
Filing: 1960-12-14
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Granted: 1963-08-27
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Ryan R Danescu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:17
CPC Classifications
E; E03; E03D; E03D11/00; E03D11/13; E03D11/16; F; F16; F16L; F16L5/00; F16L5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US864239A
Cited
US911486A
Cited
US1878195A
Cited
US2534198A
Cited
US2749149A
Cited
US2749999A
Cited
US2837750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |