US3083898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for verifying the operation of a tape reperforator photoelectrically
Assignee: Nortel Networks Ltd
•
Filing: 1960-06-15
•
Granted: 1963-04-02
•
Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 Walter J Ives
- 👤 Rywak John
- 👤 John N Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:11
CPC Classifications
G; G06; G06K; G06K5/00; G06K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578717A
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US2224764A
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US2275396A
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US2382251A
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US2438588A
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NL79640C
Cited
US2870430A
Cited
US2958727A
Cited
US3016186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |