US2829400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing foamed plastic spools
Assignee: Coats and Clark Inc
•
Filing: 1954-09-15
•
Granted: 1958-04-08
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:03
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0033; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C44/3415; B29C44/3426; B29K; B29K2105/00; B29K2105/04; B29L; B29L2031/00; B29L2031/704; Y; Y10; Y10S; Y10S264/00; Y10S264/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130254A
Cited
US2310830A
Cited
GB527951A
Cited
US2358962A
Cited
US2297022A
Cited
US2394122A
Cited
US2424047A
Cited
US2512535A
Cited
US2582922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |