US3400952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint assembly
Assignee: General Rubber LLC
•
Filing: 1966-09-14
•
Granted: 1968-09-10
•
Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert L Swenson
- 👤 John L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/006; F16L51/00; F16L51/02; F16L51/022; F16L51/024; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T403/00; Y10T403/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US922556A
Cited
US1592175A
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US1718209A
Cited
US2355440A
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CH262058A
Cited
US2787486A
Cited
US3010736A
Cited
US3144261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |