US3480309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1967-07-19
•
Granted: 1969-11-25
•
Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth D Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:10
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/162; E04C5/163; E04C5/165; F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0426; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5761; Y10T403/5786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US719817A
Cited
US1098287A
Cited
US1527323A
Cited
US2538043A
Cited
US3033600A
Cited
US3340667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |