US4175355B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4175355B1 - - Google Patents
Assignee: Gravi-Mechanics Co
•
Filing: 1978-07-28
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Granted: 1992-04-14
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Expires: 1998-07-28
Abstract
No abstract record available.
Inventors
- 👤 R Dedolph Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:06
CPC Classifications
A; A01; A01G; A01G24/00; A01G24/60; A01G2/00; A01G2/20; A01G24/10; A01G24/12; A01G24/15; A01G24/20; A01G24/22; A01G24/23; A01G24/25; A01G24/28; A01G24/30; A01G24/35; A01G24/40; A01G24/44; A01G24/48
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) | 1995-04-14 | 1995-10-14 | 1996-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-04-14 | 1999-10-14 | 2000-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-04-14 | 2003-10-14 | 2004-04-14 | $7700.00 | Window Closed / Lapsed |