US2441548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold
Assignee: Baker McMillen Co
•
Filing: 1945-06-07
•
Granted: 1948-05-11
•
Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 John A Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:10
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/02; B29C33/06; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S264/53; Y10S521/00; Y10S521/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |