Patent US3371053A successfully refreshed from Google Patents.
US3371053A
Expired / Lapsed
US
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Multicellular plastic particles and dispersions thereof
Assignee: Individual
•
Filing: 1965-08-09
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Granted: 1968-02-27
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Raskin Betty Lou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:25
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/16; D; D21; D21H; D21H19/00; D21H19/66; D21H19/70; C08J2207/00; C08J2207/04; Y; Y10; Y10S; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |