US4340682B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4340682B1 - - Google Patents
Assignee: Synthetic Surfaces Inc
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Filing: 1981-05-07
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Granted: 1986-04-01
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Expires: 2001-05-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:55
CPC Classifications
C; C09; C09J; C09J127/00; C09J127/22; C09J127/24; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/36; C08G18/38; C08G18/3819; C08G18/3823; C08L; C08L27/00; C09J175/00; C09J175/04; Y; Y10; Y10S; Y10S524/00; Y10S524/906
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) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |