US3350178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device
Assignee: Wall Colmonoy Corp
•
Filing: 1966-03-17
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Granted: 1967-10-31
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Expires: 1986-03-17
Abstract
No abstract record available.
Inventors
- 👤 Forbes M Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:14
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/12; B; B22; B22F; B22F7/00; B22F7/002; B22F7/06; B22F7/08; C; C23; C23C; C23C26/00; Y; Y10; Y10S; Y10S277/00; Y10S277/935; Y10S277/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12042; Y10T428/12063; Y10T428/12153; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24612; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249987; Y10T428/24999; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SEALING DEVICE COMPRISING A NETWORK INCLUDING A COMPRESSIBLE POROUS METALLIC MATRIX OF SINTERED METALLIC PARTICLE OF RANDOM-SHAPE RANGING IN SIZE FROM ABOUT 20 MICRONS TO ABOUT 177 MICRONS, SAIS NETWORK ARRANGED TO DEFINE A PLURALITY OF PORES OF SUBSTANTIALLY UNIFORM SIZE RANGING FROM ABOUT 100 MICRONS TO ABOUT 450 MICRONS DISTRIBUTED SUBSTANTIALLY UNIFORMLY THROUGH SAID NETWORK AND COMPRISING FROM ABOUT 30% TO ABOUT 75% BY VOLUME OF SAID NATRIX.
Claim 2
Dependent Claim
70 words
A SEALING DEVICE COMPRISING A NETWORK INCLUDING A COMPRESSIBLE POROUS METALLIC MATRIX OF SINTERED METALLIC PARTICLE OF RANDOM-SHAPE RANGING IN SIZE FROM ABOUT 20 MICRONS TO ABOUT 177 MICRONS, SAIS NETWORK ARRANGED TO DEFINE A PLURALITY OF PORES OF SUBSTANTIALLY UNIFORM SIZE RANGING FROM ABOUT 100 MICRONS TO ABOUT 450 MICRONS DISTRIBUTED SUBSTANTIALLY UNIFORMLY THROUGH SAID NETWORK AND COMPRISING FROM ABOUT 30% TO ABOUT 75% BY VOLUME OF SAID NATRIX.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |