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US2983175A
Expired / Lapsed
US
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Foam glass shaping device
Assignee: Individual
•
Filing: 1959-02-09
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Granted: 1961-05-09
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Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Benford B Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:24
CPC Classifications
C; C03; C03B; C03B33/00; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/727; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/8853; Y10T83/929; Y10T83/9411; Y10T83/9452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316751A
Cited
US2609048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |