US3465803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Captive screw device and a method for securing together the parts thereof
Assignee: Penn Engineering and Manufacturing Corp
•
Filing: 1967-07-26
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Granted: 1969-09-09
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard B Ernest
- 👤 Kenneth A Swanstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:07
CPC Classifications
F; F16; F16B; F16B41/00; F16B41/002; F16B5/00; F16B5/02; F16B5/0208; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB125200A
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US748078A
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US1251676A
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CA590864A
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US2987811A
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US3137336A
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US3204680A
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US3250559A
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US3209807A
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US3244212A
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US3343581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |