US3430661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flanged plastic pipes
Assignee: JOHN B SABINE
•
Filing: 1965-06-01
•
Granted: 1969-03-04
•
Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 John B Sabine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:00
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/14; F16L23/00; F16L23/02; F16L23/024; F16L23/12; F16L23/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2150412A
Cited
US2703109A
Cited
US2934095A
Cited
US2943967A
Cited
US3224795A
Cited
US3318339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |