US3387867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint construction
Assignee: OLIVER C ROGERS
•
Filing: 1967-02-02
•
Granted: 1968-06-11
•
Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:00
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02; F16L23/024; F16L23/028; F16L23/0283; F16L23/16; F16L23/18; F16L23/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2291709A
Cited
US2504634A
Cited
US2434224A
Cited
US2699344A
Cited
US2780483A
Cited
US2878041A
Cited
US3305250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |