US2762219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tackmeter for determining tack of rubber and like materials
Assignee: Phillips Petroleum Co
•
Filing: 1952-01-02
•
Granted: 1956-09-11
•
Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 Spencer S Prentiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:17
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1476775A
Cited
US1920263A
Cited
US1932287A
Cited
US2101322A
Cited
US2172095A
Cited
US2317701A
Cited
US2406989A
Cited
US2385382A
Cited
US2390510A
Cited
US2473517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |