Patent US3000428A successfully refreshed from Google Patents.
US3000428A
Expired / Lapsed
US
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Articulated shaping tool for pressing sheet material onto a counter surface
Assignee: Congoleum Industries Inc
•
Filing: 1956-03-15
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Granted: 1961-09-19
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Expires: 1976-03-15
Abstract
No abstract record available.
Inventors
- 👤 Herman E Hansen
- 👤 Roger K Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:11
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/02; B29C63/04; B29C63/042; B29L; B29L2031/00; B29L2031/44; B29L2031/441
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |