Patent US3123934A successfully refreshed from Google Patents.
US3123934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book holder
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:12
CPC Classifications
A; A47; A47B; A47B19/00; A47B19/04; A47B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A BOOK HOLDER COMPRISING A ROTATABLE CIRCULAR BASE, A PLURALITY OF FORWARDLY OPEN EQUALLY ANGULARLY SPACED CHANNEL MEMBERS SUPPORTED THEREON AT AN INCLINE FROM ADJACENT THE PERIPHERY OF SAID BASE TO ADJACENT THE AXIS OF ROTATION AT THEIR UPPER EDGES, EACH ADAPTED TO SEPARABLY RECEIVE AND ENDWISE RETAIN A CLOSED BOOK THEREIN, THE FLANGES OF SAID CHANNEL MEMBERS INCLUDING OUTWARDLY INCLINED EXTENSIONS ADAPTED TO SUPPORT A BOOK IN OPEN POSITION ON WITHDRAWAL FROM SAID CHANNEL, AND ABUTMENT MEANS ON SAID BASE EXTENDING TRANSVERSELY OF AND ADJACENT TO THE LOWER END OF EACH OF SAID CHANNEL MEMBERS.
Claim 2
Dependent Claim
96 words
A BOOK HOLDER COMPRISING A ROTATABLE CIRCULAR BASE, A PLURALITY OF FORWARDLY OPEN EQUALLY ANGULARLY SPACED CHANNEL MEMBERS SUPPORTED THEREON AT AN INCLINE FROM ADJACENT THE PERIPHERY OF SAID BASE TO ADJACENT THE AXIS OF ROTATION AT THEIR UPPER EDGES, EACH ADAPTED TO SEPARABLY RECEIVE AND ENDWISE RETAIN A CLOSED BOOK THEREIN, THE FLANGES OF SAID CHANNEL MEMBERS INCLUDING OUTWARDLY INCLINED EXTENSIONS ADAPTED TO SUPPORT A BOOK IN OPEN POSITION ON WITHDRAWAL FROM SAID CHANNEL, AND ABUTMENT MEANS ON SAID BASE EXTENDING TRANSVERSELY OF AND ADJACENT TO THE LOWER END OF EACH OF SAID CHANNEL MEMBERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |