US3262275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of laying immersed pipe lines
Assignee: Individual
•
Filing: 1965-04-05
•
Granted: 1966-07-26
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Perret Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:26
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/26; F16L1/12; F16L1/16; F16L1/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2770950A
Cited
US2910835A
Cited
FR1206378A
Cited
GB863000A
Cited
FR1230014A
Cited
SU128713A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |