Patent US3528637A successfully refreshed from Google Patents.
US3528637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core set for molding a partial thread
Assignee: Microdot Inc
•
Filing: 1967-08-22
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Granted: 1970-09-15
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Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 William A Bedford Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:57
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/44; B29C45/4421; B29C45/26; B29C45/2618; B29C45/2622; B29D; B29D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US35243A
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US500682A
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US871067A
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US890453A
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FR470653A
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US1439646A
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US1638846A
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US2327665A
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US2386582A
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FR73692E
Cited
US3067467A
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US3339242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |