US3075654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular airplane hangar
Assignee: Individual
•
Filing: 1958-09-29
•
Granted: 1963-01-29
•
Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 James E Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:51
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN AIRCRAFT HANGAR OF GENERALLY CIRCULAR CONFIGURATION WHICH INCLUDES A PARTIALLY ENCLOSING WALL, MEANS DEFINING A FLUID-FILLED VOLUME WITHIN SAID WALL, AN ANNULAR ROTATABLE FLOOR SURFACE BUOYANTLY DISPOSED IN SAID FLUIDFILLED VOLUME WITHIN SAID WALL, A MOVABLE DOOR MOUNTED TO FORM A PART OF SAID ENCLOSING WALL WHEN CLOSED AND ADAPTED TO MOVE SIMULTANEOUSLY WITH SAID FLOOR, MEANS NORMALLY SUPPORTING SAID DOOR EXTERNAL TO SAID FLOOR AND MEANS FOR MECHANICALLY TRANSFERRING THE WEIGHT OF SAID DOOR FROM SAID SUPPORTING MEANS TO SAID FLOOR FOR SIMULTANEOUS ROTATION THEREWITH.
Claim 2
Dependent Claim
87 words
AN AIRCRAFT HANGAR OF GENERALLY CIRCULAR CONFIGURATION WHICH INCLUDES A PARTIALLY ENCLOSING WALL, MEANS DEFINING A FLUID-FILLED VOLUME WITHIN SAID WALL, AN ANNULAR ROTATABLE FLOOR SURFACE BUOYANTLY DISPOSED IN SAID FLUIDFILLED VOLUME WITHIN SAID WALL, A MOVABLE DOOR MOUNTED TO FORM A PART OF SAID ENCLOSING WALL WHEN CLOSED AND ADAPTED TO MOVE SIMULTANEOUSLY WITH SAID FLOOR, MEANS NORMALLY SUPPORTING SAID DOOR EXTERNAL TO SAID FLOOR AND MEANS FOR MECHANICALLY TRANSFERRING THE WEIGHT OF SAID DOOR FROM SAID SUPPORTING MEANS TO SAID FLOOR FOR SIMULTANEOUS ROTATION THEREWITH.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |