US2730136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread protectors
Assignee: WEDGE PROTECTORS Inc
•
Filing: 1952-11-01
•
Granted: 1956-01-10
•
Expires: 1972-11-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:02
CPC Classifications
F; F16; F16L; F16L57/00; F16L57/005; B; B65; B65D; B65D59/00; B65D59/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001248A
Cited
US2055646A
Cited
US2022189A
Cited
US2074231A
Cited
US2098087A
Cited
US2121436A
Cited
US2385408A
Cited
US2471716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |