Patent US3508488A successfully refreshed from Google Patents.
US3508488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal head carrying a platen roller in data recorders
Assignee: DBS Inc
•
Filing: 1968-01-18
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Granted: 1970-04-28
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Expires: 1988-01-18
Abstract
No abstract record available.
Inventors
- 👤 John A Maul
- 👤 James T Zofchak
- 👤 David D Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:38
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/121; B; B41; B41L; B41L47/00; B41L47/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1049908A
Cited
US1746516A
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US3138091A
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US3338160A
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US2482420A
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US2687692A
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US3011358A
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US3279369A
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US3322062A
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US3334582A
Cited
US3363477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |