US4517283B1
Expired / Lapsed
US
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US4517283B1 - - Google Patents
Assignee: H.A. WHITTEN & CO., P.O. BOX 1368, NEW YORK, NY 10008, A PARTNERSHIP
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Filing: 1983-12-15
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Granted: 1992-04-28
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Expires: 2003-12-15
Abstract
No abstract record available.
Inventors
- 👤 G Leppard David
- 👤 Rody Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:42
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39296; G03C7/39208; G03C7/39212; G03C7/39216; G03C7/3924; G03C7/39244; G03C7/39248; G03C7/39256; G03C7/3928; Y; Y10; Y10S; Y10S430/00; Y10S430/132; Y10S430/162
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) | 1995-04-28 | 1995-10-28 | 1996-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-28 | 1999-10-28 | 2000-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-28 | 2003-10-28 | 2004-04-28 | $7700.00 | Window Closed / Lapsed |