US3043372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring device
Assignee: Guiberson Corp
•
Filing: 1959-03-02
•
Granted: 1962-07-10
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Roy C Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:42
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1568027A
Cited
US2212153A
Cited
US2333348A
Cited
US2380612A
Cited
US2695672A
Cited
US2756022A
Cited
US2802534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |