Patent US2433304A successfully refreshed from Google Patents.
US2433304A
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Traversing mechanism
Assignee: Owens Corning
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Filing: 1945-01-20
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Granted: 1947-12-23
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Expires: 1965-01-20
Abstract
No abstract record available.
Inventors
- 👤 Stream Ralph Mckelvy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:51
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/2836; B65H54/2845; B65H54/2893; B65H2403/00; B65H2403/40; B65H2403/47; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/312; B65H2701/3122; Y; Y10; Y10S; Y10S242/00; Y10S242/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |