US3206657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnet assembly for filtering
Assignee: Individual
•
Filing: 1961-04-04
•
Granted: 1965-09-14
•
Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Moriya Saburo Miyata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/06; B03; B03C; B03C1/00; B03C1/02; B03C1/025; B03C1/031; B03C1/033; B03C1/0332; B03C1/28; B03C1/288; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/49075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A MAGNET ASSEMBLY FOR FILTERING COMPRISING AN ELONGATED TUBE OF NON-MAGNETIC MATERIAL, A PLURALITY OF SPHERICAL MAGNETS PLACED IN SAID TUBE IN SPACED APART RELATIONS, EXTENDING LONGITUDINALLY OF THE TUBE, AND HAVING THEIR POLES HETEROGENEOUSLY ARRANGED.
Claim 2
Dependent Claim
36 words
A MAGNET ASSEMBLY FOR FILTERING COMPRISING AN ELONGATED TUBE OF NON-MAGNETIC MATERIAL, A PLURALITY OF SPHERICAL MAGNETS PLACED IN SAID TUBE IN SPACED APART RELATIONS, EXTENDING LONGITUDINALLY OF THE TUBE, AND HAVING THEIR POLES HETEROGENEOUSLY ARRANGED.
References Cited (Backward Citations)
US2887454A
Cited
US3024392A
Cited
US2958019A
Cited
US2937710A
Cited
US3034651A
Cited
US3059910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |