US3464291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety mechanism for use in connection with presses and other apparatuses such as conventional metal bending and forming apparatuses
Assignee: JONAS THEDORE LINDQUIST
•
Filing: 1967-12-22
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Granted: 1969-09-02
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Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jonas Theodore Lindquist
- 👤 Barry A Stunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:41
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/02; F16P3/04; F16P3/001; F16P3/005; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2193; Y10T74/2194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |