US2862862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation by irradiation of an expanded, cellular, polymeric body
Assignee: Individual
•
Filing: 1953-08-12
•
Granted: 1958-12-02
•
Expires: 1973-08-12
Abstract
No abstract record available.
Inventors
- 👤 Charlesby Arthur
- 👤 Ross Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/02; Y; Y10; Y10S; Y10S521/00; Y10S521/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2045651A
Cited
US2697255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |