Patent US2845187A successfully refreshed from Google Patents.
US2845187A
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Assignee: Proctor and Schwartz Inc
•
Filing: 1955-01-19
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Granted: 1958-07-29
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Expires: 1975-01-19
Abstract
No abstract record available.
Inventors
- 👤 Louis R Bianchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
A; A47; A47B; A47B96/00; A47B96/02; A47B96/021; A47B57/00; A47B57/30; A47B57/40; A47B57/42; A47B57/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US977609A
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US1087301A
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US1855242A
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US1978636A
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US2208234A
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US2297087A
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US2653783A
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US2681786A
Cited
US2684224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |