Patent US3479830A successfully refreshed from Google Patents.
US3479830A
Expired / Lapsed
US
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Anchoring machine
Assignee: Global Divers and Contractors Inc
•
Filing: 1967-04-20
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Granted: 1969-11-25
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Expires: 1987-04-20
Abstract
No abstract record available.
Inventors
- 👤 Adam R Ostarly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:46
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E21; E21B; E21B7/00; E21B7/12; E21B7/124; F; F16; F16L; F16L1/00; F16L1/12; F16L1/20; F16L1/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631168A
Cited
US2851135A
Cited
US3019608A
Cited
US2988893A
Cited
US3115755A
Cited
US3118417A
Cited
US3236055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |