Patent US5012273B1 successfully refreshed from Google Patents.
US5012273B1
Expired / Lapsed
US
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Lens shutter type of camera including zoom lens
Assignee: Pentax Corp
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Filing: 1990-02-14
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Granted: 1996-10-01
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Expires: 2010-02-14
Abstract
No abstract record available.
Inventors
- 👤 Susao Nakamura
- 👤 Etsuro Nishio
- 👤 Haruo Ishii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:08
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04; G02; G02B; G02B7/00; G02B7/02; G02B7/04; G02B7/10; G02B7/102; G03B13/00; G03B13/02; G03B13/10; G03B13/12; G02B23/00; G02B23/14; G02B23/145; G03B2215/00; G03B2215/05; G03B2215/0503; G03B2217/00; G03B2217/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-10-01 | 2000-04-01 | 2000-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-10-01 | 2004-04-01 | 2004-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-10-01 | 2008-04-01 | 2008-10-01 | $7700.00 | Window Closed / Lapsed |