Patent US2637944A successfully refreshed from Google Patents.
US2637944A
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US
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Apparatus for forming glassware
Assignee: Emhart Manufacturing Co
•
Filing: 1947-04-29
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Granted: 1953-05-12
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Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Charles F Claughsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:35
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/13; C03B9/193; C03B9/1932; C03B9/1936; C03B9/1934; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217; Y10T137/87225; Y10T137/87265; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87917; Y10T137/88046
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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |