US2899029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring device
Assignee: Individual
•
Filing: 1956-11-14
•
Granted: 1959-08-11
•
Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ballew Julius Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:33
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1702536A
Cited
US1026402A
Cited
US1584420A
Cited
US1742162A
Cited
US1724341A
Cited
US2252379A
Cited
US2490187A
Cited
US2660276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |