US3468199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of sheet material into smaller pieces
Assignee: Black Clawson Co
•
Filing: 1967-02-06
•
Granted: 1969-09-23
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hautau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:31
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B21; B21D; B21D28/00; B21D28/02; B21D28/06; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D11/00; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/041; Y10T83/0524; Y10T83/0529; Y10T83/0534; Y10T83/0538; Y10T83/0543; Y10T83/0548
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) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |