US3187885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Getter
Assignee: US Philips Corp
•
Filing: 1962-11-20
•
Granted: 1965-06-08
•
Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Hansen Norbert Ernst Fritz
- 👤 Flunkert Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:51
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/183; H01J7/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A GETTER ASSEMBLY FOR AN ELECTRIC DISCHARGE DEVICE COMPRISING A POROUS PLIABLE CONTAINER, A POROUS GETTER DISPOSED WITHIN SAID CONTAINER UNDER SLIGHT COMPRESSION, SAID GETTER BEING COMPOSED OF A PLURALITY OF SEPARATE CONTACTING GRANULES, EACH OF SAID GRANULES BEIN CONSTITUTED OF A POROUS AGGLOMERATION OF GRAINS OF NAN ACTIVE METAL AND A REFRACTORY METAL, SAID GRAINS HAVING A SPECIFIC SURFACE AREA LARGER THAN 1 M.2/G.
Claim 2
Dependent Claim
65 words
A GETTER ASSEMBLY FOR AN ELECTRIC DISCHARGE DEVICE COMPRISING A POROUS PLIABLE CONTAINER, A POROUS GETTER DISPOSED WITHIN SAID CONTAINER UNDER SLIGHT COMPRESSION, SAID GETTER BEING COMPOSED OF A PLURALITY OF SEPARATE CONTACTING GRANULES, EACH OF SAID GRANULES BEIN CONSTITUTED OF A POROUS AGGLOMERATION OF GRAINS OF NAN ACTIVE METAL AND A REFRACTORY METAL, SAID GRAINS HAVING A SPECIFIC SURFACE AREA LARGER THAN 1 M.2/G.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |