Patent US3098787A successfully refreshed from Google Patents.
US3522752A
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Assignee: Individual
•
Filing: 1968-04-05
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Granted: 1970-08-04
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Expires: 1988-04-05
Abstract
No abstract record available.
Inventors
- 👤 Robert B Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:34
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; Y; Y10; Y10T; Y10T83/00; Y10T83/566; Y10T83/5669; Y10T83/5787; Y10T83/5796; Y10T83/606; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/828; Y10T83/869; Y10T83/8798; Y10T83/8817; Y10T83/8818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |