Patent US2337951A successfully refreshed from Google Patents.
US2337951A
Expired / Lapsed
US
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Testing device for use in the application of screw closures
Assignee: Pneumatic Scale Corp
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Filing: 1941-03-11
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Granted: 1943-12-28
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Expires: 1961-03-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Whitchead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:29
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/26; B67B3/261; G; G01; G01L; G01L5/00; G01L5/0028; G01L5/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-12-27 | 1947-06-28 | 1947-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-27 | 1951-06-28 | 1951-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-27 | 1955-06-28 | 1955-12-28 | $7700.00 | Window Closed / Lapsed |