Patent US4884367B1 successfully refreshed from Google Patents.
US4884367B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Root control bag
Assignee: W&G Precision Instruments Pty Ltd
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Filing: 1988-10-20
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Granted: 1994-11-01
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Expires: 2008-10-20
Abstract
No abstract record available.
Inventors
- 👤 Peter A Lawton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:39
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/04
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) | 1997-10-31 | 1998-05-02 | 1998-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-31 | 2002-05-02 | 2002-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-31 | 2006-05-02 | 2006-11-01 | $7700.00 | Window Closed / Lapsed |