Patent US3487667A successfully refreshed from Google Patents.
US3487667A
Expired / Lapsed
US
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Lock with metal shim between plastic retractor slide and plastic retractor case
Assignee: NI West Inc
•
Filing: 1966-03-31
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Granted: 1970-01-06
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Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Fred J Russell
- 👤 Richard L Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:16
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/03; Y10T70/00; Y10T70/80; Y10T70/8919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733088A
Cited
US3126217A
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US2946614A
Cited
US3156495A
Cited
US3207546A
Cited
US3287047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |