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US4193247B1
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US4193247B1 - - Google Patents
Assignee: Amca International Corp
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Filing: 1978-02-06
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Granted: 1989-06-20
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Expires: 1998-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:01
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/361; E04D3/364; F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; E04D2003/3615; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32163; Y10T403/32229
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) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |