Patent US2972707A successfully refreshed from Google Patents.
US2972707A
Expired / Lapsed
US
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Image reproducing device
Assignee: Bosch Security Systems Inc
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Filing: 1954-10-18
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Granted: 1961-02-21
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 John F Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/12; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1779748A
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US2049763A
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US2201066A
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US2558019A
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US2500929A
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US2760119A
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US2698915A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |