US3299983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overhead maintenance apparatus
Assignee: Individual
•
Filing: 1965-06-28
•
Granted: 1967-01-24
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 John S Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:24
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04; B66F11/044; B66F11/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
OVERHEAD MAINTENANCE APPARATUS COMPRISING: A MOBILE BASE; AN EXTENSIBLE MAST MOUNTED ON SAID BASE; MEANS FOR ACTUATING THE MAST UPWARD AND DOWNWARD; A PLATFORM ASSEMBLY HAVING A SUPPORT MOUNTED ON SAID MAST AND ROTATABLE ABOUT SAID MAST IN A HORIZONTAL PLANE AND A PLATFORM RIGIDLY CONNECTED TO ONE SIDE OF SAID SUPPORT AND ROTATABLE THEREWITH.
Claim 2
Dependent Claim
55 words
OVERHEAD MAINTENANCE APPARATUS COMPRISING: A MOBILE BASE; AN EXTENSIBLE MAST MOUNTED ON SAID BASE; MEANS FOR ACTUATING THE MAST UPWARD AND DOWNWARD; A PLATFORM ASSEMBLY HAVING A SUPPORT MOUNTED ON SAID MAST AND ROTATABLE ABOUT SAID MAST IN A HORIZONTAL PLANE AND A PLATFORM RIGIDLY CONNECTED TO ONE SIDE OF SAID SUPPORT AND ROTATABLE THEREWITH.
References Cited (Backward Citations)
US1960355A
Cited
US3031027A
Cited
US2787278A
Cited
US2998861A
Cited
US3095945A
Cited
US3097721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |