US3301346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile aerial tower
Assignee: Ohio Brass Co
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Filing: 1965-01-13
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Granted: 1967-01-31
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Expires: 1985-01-13
Abstract
No abstract record available.
Inventors
- 👤 Curtis W Verrell
- 👤 Holan James Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:36
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04; B66F11/044; B66F11/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN AERIAL TOWER COMPRISING, A MOVABLE BOOM, A WORK PLATFORM ROTATABLY SUPPORTED ON SAID BOOM, SAID BOOM BEING SWINGABLE IN A GENERALLY VERTICAL PLANE ABOUT A GENERALLY HORIZONTAL AXIS, MOTOR MEANS TO SWING SAID BOOM IN SAID VERTICAL PLANE, ROTATABLE MEANS OPERABLY CONNECTING SAID PLATFORM TO SAID BOOM IN ROTATING ENGAGEMENT, SHEAVE MEANS LOCATED ON SAID BOOM TOWARDS SAID HORIZONTAL AXIS AND ADAPTED FOR SELECTIVE NON-ROTATION, COMPENSATING MEANS MOUNTED ON SAID BOOM BETWEEN SAID ROTATABLE MEANS AND SAID SHEAVE MEANS AND INCLUDING SHIFTABLE CARRIAGE MEANS DISPOSED INTERIORLY OF THE BOOM, FLEXIBLE LINE MEANS OPERABLY CONNECTED TO SAID ROTATABLE MEANS, TO SAID CARRIAGE MEANS AND TO SAID SHEAVE WHEREBY SAID CARRIAGE MEANS, SAID ROTATABLE MEANS AND SAID SHEAVE MEANS COACT TO MAINTAIN SAID WORK PLATFORM LEVEL AS SAID BOOM SWINGS IN SAID VERTICAL PLANE.
Claim 2
Dependent Claim
134 words
IN AN AERIAL TOWER COMPRISING, A MOVABLE BOOM, A WORK PLATFORM ROTATABLY SUPPORTED ON SAID BOOM, SAID BOOM BEING SWINGABLE IN A GENERALLY VERTICAL PLANE ABOUT A GENERALLY HORIZONTAL AXIS, MOTOR MEANS TO SWING SAID BOOM IN SAID VERTICAL PLANE, ROTATABLE MEANS OPERABLY CONNECTING SAID PLATFORM TO SAID BOOM IN ROTATING ENGAGEMENT, SHEAVE MEANS LOCATED ON SAID BOOM TOWARDS SAID HORIZONTAL AXIS AND ADAPTED FOR SELECTIVE NON-ROTATION, COMPENSATING MEANS MOUNTED ON SAID BOOM BETWEEN SAID ROTATABLE MEANS AND SAID SHEAVE MEANS AND INCLUDING SHIFTABLE CARRIAGE MEANS DISPOSED INTERIORLY OF THE BOOM, FLEXIBLE LINE MEANS OPERABLY CONNECTED TO SAID ROTATABLE MEANS, TO SAID CARRIAGE MEANS AND TO SAID SHEAVE WHEREBY SAID CARRIAGE MEANS, SAID ROTATABLE MEANS AND SAID SHEAVE MEANS COACT TO MAINTAIN SAID WORK PLATFORM LEVEL AS SAID BOOM SWINGS IN SAID VERTICAL PLANE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |