Patent US3069790A successfully refreshed from Google Patents.
US3069790A
Expired / Lapsed
US
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Schedule board
Assignee: Garrison Machine Works Inc
•
Filing: 1960-03-02
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Granted: 1962-12-25
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Expires: 1980-03-02
Abstract
No abstract record available.
Inventors
- 👤 Richard G Oswald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:30
CPC Classifications
G; G09; G09D; G09D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US135315A
Cited
US1096767A
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US1501233A
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US1541717A
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US1860804A
Cited
US2502190A
Cited
US2668370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |