US3510950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sine,pin-headed dual square
Assignee: Individual
•
Filing: 1968-01-19
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Granted: 1970-05-12
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Expires: 1988-01-19
Abstract
No abstract record available.
Inventors
- 👤 Peter Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:02
CPC Classifications
B; B43; B43L; B43L7/00; B43L7/005; B43L7/007; B43L7/02; B43L7/10; B43L7/12; B43L7/14; G; G01; G01B; G01B3/00; G01B3/56; G01B3/563; G01B3/566; G01B3/10; G01B3/1084; G01B3/1089; G01B3/1092
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |