US3464499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable blade device
Assignee: SAMUEL B MCKELL
•
Filing: 1965-08-23
•
Granted: 1969-09-02
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Mckell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:34
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E01; E01B; E01B27/00; E01B27/02; E01B27/023; E01B27/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1594972A
Cited
US1871473A
Cited
US2088630A
Cited
US2241666A
Cited
US2312255A
Cited
US2345720A
Cited
US2656777A
Cited
US3061955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |