US3091969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder metal sampling device
Assignee: Viridian Inc Canada
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Filing: 1961-04-04
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Granted: 1963-06-04
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Romanchuk Steve
- 👤 Cyril R Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N1/04; G01N1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A SAMPLING DEVICE WHICH COMPRISES AN ELONGATED, SELF-SUPPORTING BODY ADAPTED TO STAND IN A VERTICAL POSITION, A PLURALITY OF DOWNWARDLY EXTENDING HOLES ARRANGED IN SPACED, STAGGERED RELATION ALONG A FACE OF SAID BODY TO EXPOSE AN ENTRANCE TO A HOLE AT EACH POINT ALONG THE LENGTH OF SAID BODY DEFINED BY THE UPPERMOST AND LOWERMOST HOLE, SAID HOLES BEING ADAPTED TO RECEIVE AND RETAIN FLOWABLE MATERIAL WHEN STANDING IN A VERTICAL POSITION.
Claim 2
Dependent Claim
72 words
A SAMPLING DEVICE WHICH COMPRISES AN ELONGATED, SELF-SUPPORTING BODY ADAPTED TO STAND IN A VERTICAL POSITION, A PLURALITY OF DOWNWARDLY EXTENDING HOLES ARRANGED IN SPACED, STAGGERED RELATION ALONG A FACE OF SAID BODY TO EXPOSE AN ENTRANCE TO A HOLE AT EACH POINT ALONG THE LENGTH OF SAID BODY DEFINED BY THE UPPERMOST AND LOWERMOST HOLE, SAID HOLES BEING ADAPTED TO RECEIVE AND RETAIN FLOWABLE MATERIAL WHEN STANDING IN A VERTICAL POSITION.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |