Patent US2750023A successfully refreshed from Google Patents.
US2750023A
Expired / Lapsed
US
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Bed blending system
Assignee: Individual
•
Filing: 1952-05-07
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Granted: 1956-06-12
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Expires: 1972-05-07
Abstract
No abstract record available.
Inventors
- 👤 John F Meissner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:53
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US863202A
Cited
US1989281A
Cited
FR787943A
Cited
US2171528A
Cited
US2230139A
Cited
GB540688A
Cited
US2554077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |