US4128357B1
Expired / Lapsed
US
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US4128357B1 - - Google Patents
Assignee: F von Langsdorff Licensing Ltd
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Filing: 1978-02-28
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Granted: 1984-07-17
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Expires: 1998-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:27
CPC Classifications
E; E01; E01C; E01C5/00; B; B28; B28B; B28B3/00; B28B3/02; B28B3/021; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/14; H; H03; H03B; H03B7/00; H03B7/02; H03B7/04; E01C2201/00; E01C2201/06; E01C2201/16; Y; Y02; Y02A; Y02A30/00; Y02A30/60
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) | 1987-07-17 | 1988-01-16 | 1988-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-17 | 1992-01-16 | 1992-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-17 | 1996-01-16 | 1996-07-17 | $7700.00 | Window Closed / Lapsed |