US3004288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for shaping plastic sheet material
Assignee: Emhart Manufacturing Co
•
Filing: 1955-10-19
•
Granted: 1961-10-17
•
Expires: 1975-10-19
Abstract
No abstract record available.
Inventors
- 👤 Gardner Edward Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:24
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/023; B29C; B29C51/00; B29C51/18; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10S425/00; Y10S425/019
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |