US2942301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a receptacle of foamed polystyrene
Assignee: Central Waxed Paper Co
•
Filing: 1957-05-09
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Granted: 1960-06-28
•
Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 Warren R Price
- 👤 Alexander S Houston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:13
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D1/265; B29; B29C; B29C44/00; B29C44/02; B29C44/10; B29C51/00; B29K; B29K2025/00; B29K2105/00; B29K2105/04; B29K2105/046; B29L; B29L2031/00; B29L2031/712; B29L2031/7132; Y; Y10; Y10S; Y10S220/00; Y10S220/14; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1376
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852830A
Cited
US2167999A
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US2255116A
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US2316150A
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US2452999A
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US2472060A
Cited
US2521388A
Cited
US2722719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |