US2906168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: TELEPROMPTER CORP
•
Filing: 1955-06-22
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Granted: 1959-09-29
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Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Hubert J Schlafly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2146452A
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US2227071A
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US2260660A
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US2299973A
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US2407902A
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US2560390A
Cited
US2537429A
Cited
US2635216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |