US3377653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making foamed plastic articles
Assignee: Individual
•
Filing: 1964-11-10
•
Granted: 1968-04-16
•
Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Robert B Buonaiuto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:09
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/58; B29C44/3415; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29K; B29K2025/00; B29K2025/04; B29K2025/06; Y; Y10; Y10S; Y10S425/00; Y10S425/019
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2312215A
Cited
US2587070A
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US2951260A
Cited
US3068526A
Cited
US3054141A
Cited
US3069725A
Cited
US3167811A
Cited
US3193874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |