US3362434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible axially compressible hose
Assignee: Day International Corp
•
Filing: 1964-09-16
•
Granted: 1968-01-09
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Richard D Medford
- 👤 Carroll H Osborn
- 👤 Lincoln I Opper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:50
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; F16L11/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FLEXIBLE AXIALLY COMPRESSIBLE HOSE COMPRISING A TUBE SURMOUNTED BY A HELICAL REINFORCING COIL HAVING AXIALLY SPACED TURNS, THE DIAMETER OF SAID COIL HAVING A RATIO TO THE SPACING OF SAID TURNS OF APPROXIMATELY 7:3, EACH OF SAID TURNS IN SUBSTANTIAL CONTACT WITH ITS ADJACENT TURNS, AND SAID TUBE BEING IN THE FORM OF SLACK FOLDS AT AN ANGLE BETWEEN TURNS, WHEN SAID HOSE IS FULLY AXIALLY COMPRESSED.
Claim 2
Dependent Claim
68 words
A FLEXIBLE AXIALLY COMPRESSIBLE HOSE COMPRISING A TUBE SURMOUNTED BY A HELICAL REINFORCING COIL HAVING AXIALLY SPACED TURNS, THE DIAMETER OF SAID COIL HAVING A RATIO TO THE SPACING OF SAID TURNS OF APPROXIMATELY 7:3, EACH OF SAID TURNS IN SUBSTANTIAL CONTACT WITH ITS ADJACENT TURNS, AND SAID TUBE BEING IN THE FORM OF SLACK FOLDS AT AN ANGLE BETWEEN TURNS, WHEN SAID HOSE IS FULLY AXIALLY COMPRESSED.
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |