Patent US2686322A successfully refreshed from Google Patents.
US2686322A
Expired / Lapsed
US
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Five-way type of bed assembly
Assignee: Harvard Manufacturing Co
•
Filing: 1949-02-18
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Granted: 1954-08-17
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Expires: 1969-02-18
Abstract
No abstract record available.
Inventors
- 👤 Nathan E Blanke
- 👤 Hillard J Sands
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:19
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/02; A47C19/021; A47C19/022; A47C19/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US822999A
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US985355A
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US1270414A
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US1368509A
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US1339250A
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US1705297A
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US1694940A
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US2567619A
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US2558625A
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US2582832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |