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US3045124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light responsive means
Assignee: Bell and Howell Co
•
Filing: 1958-02-21
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Granted: 1962-07-17
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Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry De L Mckinlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:09
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/02; G01J1/04; G01J1/06; G01J1/42; G01J1/4209; G01J1/4214; G03; G03B; G03B7/00; G03B7/08; G03B7/099; G03B7/0993
Claims Analysis
Total Claims: 0
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US2841064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |