US2447541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic structure
Assignee: CHARLES F MERONI
•
Filing: 1945-01-29
•
Granted: 1948-08-24
•
Expires: 1965-01-29
Abstract
No abstract record available.
Inventors
- 👤 Reinhardt N Sabee
- 👤 Charles S White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:42
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/20; H05K3/205; H01; H01B; H01B1/00; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0152; H05K2203/07; H05K2203/0703; H05K2203/0726; Y; Y10; Y10S; Y10S425/00; Y10S425/811; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 0
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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) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |