US3232645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular t insert
Assignee: Individual
•
Filing: 1963-10-21
•
Granted: 1966-02-01
•
Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 John A Bucks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:35
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; F16L41/082; B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; B21C37/296
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US311960A
Cited
US562074A
Cited
US1977112A
Cited
US1086143A
Cited
US1360815A
Cited
US1476756A
Cited
US1883439A
Cited
US2481628A
Cited
US3154130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |