Patent US3389857A successfully refreshed from Google Patents.
US3389857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-driven score drums
Assignee: Individual
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Filing: 1966-07-05
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Granted: 1968-06-25
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Henry S Ross
- 👤 Marcine P Wolverton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:46
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/04; G06M1/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A NUMBER-DISPLAY ROTATABLE DRUM HAVING A CENTER HUB PORTION AND A PERIPHERAL INDICIA-BEARING FLANGE AND INCLUDING (A) A ROTATABLE SHAFT JOURNALLED THROUGH SAID HUB FOR SUPPORTING AND ROTATING SAID DRUM IN EITHER DIRECTION, (B) MEANS CARRIED BY SAID SHAFT ENGAGEABLE WITH SAID HUB FOR FRICTIONALLY ROTATABLY CONNECTING SAID DRUM TO SAID SHAFT, (C) SAID PERIPHERAL INDICIA-BEARING FLANGE OF SAID DRUM HAVING FORMED ON ONE EDGE THEREOF STOP SHOULDERS COOPERATING WITH A LATCH MEANS FOR PREVENTING ROTATIONAL MOVEMENT OF THE DRUM WITH SAID SHAFT IN ONE DIRECTION, (D) LATCH MEANS ENGAGING SAID STOP SHOULDERS AND HAVING A FIRST POSITION HOLDING SAID DRUM AGAINST ROTATION WITH SAID SHAFT IN ONE DIRECTION WHILE PERMITTING ROTATIONAL MOVEMENT OF SAID DRUM IN AN OPPOSITE DIRECTION, AND A SECOND POSITION PERMITTING ROTATION OF SAID DRUM WITH SAID SHAFT IN EITHER DIRECTION,
Claim 2
Dependent Claim
135 words
A NUMBER-DISPLAY ROTATABLE DRUM HAVING A CENTER HUB PORTION AND A PERIPHERAL INDICIA-BEARING FLANGE AND INCLUDING (A) A ROTATABLE SHAFT JOURNALLED THROUGH SAID HUB FOR SUPPORTING AND ROTATING SAID DRUM IN EITHER DIRECTION, (B) MEANS CARRIED BY SAID SHAFT ENGAGEABLE WITH SAID HUB FOR FRICTIONALLY ROTATABLY CONNECTING SAID DRUM TO SAID SHAFT, (C) SAID PERIPHERAL INDICIA-BEARING FLANGE OF SAID DRUM HAVING FORMED ON ONE EDGE THEREOF STOP SHOULDERS COOPERATING WITH A LATCH MEANS FOR PREVENTING ROTATIONAL MOVEMENT OF THE DRUM WITH SAID SHAFT IN ONE DIRECTION, (D) LATCH MEANS ENGAGING SAID STOP SHOULDERS AND HAVING A FIRST POSITION HOLDING SAID DRUM AGAINST ROTATION WITH SAID SHAFT IN ONE DIRECTION WHILE PERMITTING ROTATIONAL MOVEMENT OF SAID DRUM IN AN OPPOSITE DIRECTION, AND A SECOND POSITION PERMITTING ROTATION OF SAID DRUM WITH SAID SHAFT IN EITHER DIRECTION,
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |