Patent US3174664A successfully refreshed from Google Patents.
US3174664A
Expired / Lapsed
US
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Back pack assembly
Assignee: Dacor Corp
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Filing: 1963-02-25
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Granted: 1965-03-23
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Donald L Hue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:10
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/30; A; A45; A45F; A45F3/00; A45F3/04; A45F2003/045; Y; Y10; Y10S; Y10S224/00; Y10S224/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PACK HARNESS FOR USE WITH AN ELONGATED TANK OF COMPRESSED GAS, COMPRISING A SUBSTANTIALLY RIGID BACK PLATE, MEANS ATTACHED TO SAID PLATE AND POSITIONABLE ABOUT THE BODY OF A PERSON FOR SECURING SAID PLATE TO THE PERSON''S BACK, FIRST AND SECOND ENCIRCLING BANDS ATTACHED TO THE REAR SIDE OF SAID PLATE AT SPACED LOCATIONS ON SAID PLATE, EACH OF SAID BANDS BEING SIZED TO NORMALLY LOOSELY RECEIVE THE ELONGATED TANK, A REARWARDLY EXTENDING FULCRUM MEMBER ON SAID PLATE BETWEEN SAID BANDS, AND MANUALLY OPERABLE MEANS FOR TIGHTENING ONE OF SAID BANDS TO EXERT A FORCE ON SAID TANK TO PIVOT IT ABOUT SAID FULCRUM MEMBER TO TIGHTEN THE OTHER OF SAID BANDS.
Claim 2
Dependent Claim
113 words
A PACK HARNESS FOR USE WITH AN ELONGATED TANK OF COMPRESSED GAS, COMPRISING A SUBSTANTIALLY RIGID BACK PLATE, MEANS ATTACHED TO SAID PLATE AND POSITIONABLE ABOUT THE BODY OF A PERSON FOR SECURING SAID PLATE TO THE PERSON''S BACK, FIRST AND SECOND ENCIRCLING BANDS ATTACHED TO THE REAR SIDE OF SAID PLATE AT SPACED LOCATIONS ON SAID PLATE, EACH OF SAID BANDS BEING SIZED TO NORMALLY LOOSELY RECEIVE THE ELONGATED TANK, A REARWARDLY EXTENDING FULCRUM MEMBER ON SAID PLATE BETWEEN SAID BANDS, AND MANUALLY OPERABLE MEANS FOR TIGHTENING ONE OF SAID BANDS TO EXERT A FORCE ON SAID TANK TO PIVOT IT ABOUT SAID FULCRUM MEMBER TO TIGHTEN THE OTHER OF SAID BANDS.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |