Patent US2800097A successfully refreshed from Google Patents.
US2800097A
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Methods and apparatus for forming articulated sheet material
Assignee: Twentieth Century Fox Film Corp
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Filing: 1951-06-05
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Granted: 1957-07-23
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Expires: 1971-06-05
Abstract
No abstract record available.
Inventors
- 👤 Hurd Yorick Gordon
- 👤 Whitmore Ralph Delano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:21
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/58; B; B26; B26D; B26D1/00; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0341
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) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |