Patent US3515625A successfully refreshed from Google Patents.
US3515625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite flexible material containing a high proportion of filler particles
Assignee: Individual
•
Filing: 1965-04-20
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Granted: 1970-06-02
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Expires: 1985-04-20
Abstract
No abstract record available.
Inventors
- 👤 Steve Sedlak
- 👤 Albert Mavromatis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:03
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; C; C08; C08J; C08J9/00; C08J9/0004; C08J9/28; C08K; C08K3/00; C08K3/01; C08K3/013; C08L; C08L21/00; B65; B65C; B65C2210/00; B65C2210/007; Y; Y10; Y10S; Y10S264/00; Y10S264/06; Y10S264/17; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249976; Y10T428/249986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3230184A
Cited
US3316139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |