Patent US3387344A successfully refreshed from Google Patents.
US3387344A
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Tensioning device
Assignee: MARK G SANTI
•
Filing: 1967-01-24
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Granted: 1968-06-11
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Mark G Santi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:50
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/44; Y10T24/44641; Y10T24/44684; Y10T24/44692; Y10T24/44701; Y10T403/00; Y10T403/53; Y10T403/535; Y10T403/57; Y10T403/5793; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |