Patent US2376253A successfully refreshed from Google Patents.
US2376253A
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Sealing machine
Assignee: DOUGHBOY MACHINES Inc
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Filing: 1944-04-07
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Granted: 1945-05-15
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Expires: 1964-04-07
Abstract
No abstract record available.
Inventors
- 👤 James M Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:08
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/16; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81433; B29C66/81435; B29C66/818; B29C66/8181; B29C66/81811; B29C66/81812; B29C66/82; B29C66/822; B29C66/8223; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83417; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/9161; B29C66/91641; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0822; B29C65/245; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B31; B31B; B31B70/00; B31B70/60; B31B70/64; B31B70/644
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) | 1948-05-14 | 1948-11-13 | 1949-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-14 | 1952-11-13 | 1953-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-14 | 1956-11-13 | 1957-05-15 | $7700.00 | Window Closed / Lapsed |