US2874489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool attaching device
Assignee: Individual
•
Filing: 1957-06-19
•
Granted: 1959-02-24
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Orjala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/769; E02F3/96; E02F3/961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001803A
Cited
US2296827A
Cited
US2300843A
Cited
US2451348A
Cited
US2429717A
Cited
US2469615A
Cited
US2717655A
Cited
US2798626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |