Patent US3449207A successfully refreshed from Google Patents.
US3449207A
Expired / Lapsed
US
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Dual orifice vacuum forming mold
Assignee: Beloit Corp
•
Filing: 1965-09-03
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Granted: 1969-06-10
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Modersohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:40
CPC Classifications
D; D21; D21J; D21J7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1527202A
Cited
US2559945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |