US3377905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector plate
Assignee: SANFORD IND Inc
•
Filing: 1967-08-09
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Granted: 1968-04-16
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Expires: 1987-08-09
Abstract
No abstract record available.
Inventors
- 👤 William R Mcalpine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0046; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10T; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12229; Y10T428/12264; Y10T428/12271; Y10T428/12278; Y10T428/12361; Y10T428/12368
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |