US3153279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant solid structure
Assignee: Van Der Horst Corp of America
•
Filing: 1959-05-29
•
Granted: 1964-10-20
•
Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Chessin Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:45
CPC Classifications
C; C22; C22C; C22C47/00; C22C47/02; C22C47/06; B; B22; B22F; B22F2998/00; B22F2998/10; Y; Y10; Y10S; Y10S165/00; Y10S165/905; Y10S428/00; Y10S428/92; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/938; Y10S428/939; Y10T; Y10T29/00; Y10T29/49; Y10T29/49801; Y10T29/49826; Y10T29/49888; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHOD OF MANUFACTURING A HIGH HEAT RESISTANT ARTICLE, COMPRISING THE STEPS OF AGGLOMERATING A MASS OF HIGH HEAT STRENGTH PARTS TO FORM A POROUS BASIC STRUCTURE, INTERBONDING AND ENCAPSULATING SAID PARTS THROUGHOUT SAID MASS WITH A FILM OF CORROSIVE-EROSIVE RESISTANT MATERAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, CHROMIUM, MOLYBDENUM AND NICKEL OF SUCH THICKNESS AS TO RETAIN THE POROSITY OF THE MASS, AND TEHN FILLING THE PORES
Claim 2
Independent Claim
69 words
THE METHOD OF MANUFACTURING A HIGH HEAT RESISTANT ARTICLE, COMPRISING THE STEPS OF AGGLOMERATING A MASS OF HIGH HEAT STRENGTH PARTS TO FORM A POROUS BASIC STRUCTURE, INTERBONDING AND ENCAPSULATING SAID PARTS THROUGHOUT SAID MASS WITH A FILM OF CORROSIVE-EROSIVE RESISTANT MATERAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN, CHROMIUM, MOLYBDENUM AND NICKEL OF SUCH THICKNESS AS TO RETAIN THE POROSITY OF THE MASS, AND TEHN FILLING THE PORES
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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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |