US2852840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal reinforced plastic bodies
Assignee: Individual
•
Filing: 1953-04-22
•
Granted: 1958-09-23
•
Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Kelsey I Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:32
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0003; B29C; B29C53/00; B29C53/22; B29C53/24; B29C53/56; B29C53/58; B29C53/60; B29C63/00; B29C67/00; B29C67/0014; B29L; B29L2031/00; B29L2031/001; B29L2031/003; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10S273/00; Y10S273/07; Y10S52/00; Y10S52/07
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |