Patent US3410500A successfully refreshed from Google Patents.
US3410500A
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US
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Assignee: Shape Inc
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Filing: 1967-01-30
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Granted: 1968-11-12
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Robert L Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:57
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/037; Y; Y10; Y10S; Y10S242/00; Y10S242/912
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |