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Patent US2673673A successfully refreshed from Google Patents.
US2673673A
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Machine for filling mattress casings and the like
Assignee: UNITED MATTRESS MACHINERY CO
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Filing: 1948-04-01
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Granted: 1954-03-30
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Expires: 1968-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Kibitz
- 👤 Joseph W Droll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:59
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B68; B68G; B68G7/00; B68G7/05; B68G7/051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US668971A
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US671470A
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US894307A
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US1224384A
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US1687393A
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US1903478A
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US2302656A
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US2110359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |