US3131459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding absorbing material to a delay line
Assignee: Corning Glass Works
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Filing: 1959-11-09
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Granted: 1964-05-05
•
Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Richard E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/125; B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; C; C04; C04B; C04B37/00; C04B37/003; C04B37/006; H01; H01B; H01B1/00; H10; H10N; H10N30/00; H10N30/01; H10N30/07; H10N30/072; H10N30/073; C04B2235/00; C04B2235/60; C04B2235/604; C04B2237/00; C04B2237/02; C04B2237/12; C04B2237/121; C04B2237/123; C04B2237/125; C04B2237/126; C04B2237/127; C04B2237/30; C04B2237/50; C04B2237/52; C04B2237/59; C04B2237/592; C04B2237/70; C04B2237/704; C04B2237/72; C04B2237/76; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49018; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COLD DIFFUSION PROCESS FOR BONDING AN ACOUSTIC ABSORBER TO A DELAY LINE FACET COMPRISING THE STEPS OF PROVIDING A DELAY LINE HAVING A LAYER OF GOLD BONDED TO A FACET THEREOF, CLEANING THE GOLD LAYER, PROVIDING A STRIP OF ACOUSTIC ABSORBER MATERIAL CONSISTING ESSENTIALLY OF INDIUM, CLEANING THE MATING SURFACE ADJACENT SAID GOLD TERIAL, DISPOSING SAID MATING SURFACE ADJACENT SAID GOLD LAYER, HEATING THE ASSEMBLY SO FORMED TO A TEMPERATURE OF ABOUT 150*C. WHILE APPLYING A PRESSURE THERETO OF APPROXIMATELY 180 POUNDS PER SQUARE INCH, AND THEREAFTER REMOVING THE EXCESS INDIUM ABOUT THE PERIPHERY OF SAID ACOUSTIC ABSORBER.
Claim 2
Dependent Claim
99 words
A COLD DIFFUSION PROCESS FOR BONDING AN ACOUSTIC ABSORBER TO A DELAY LINE FACET COMPRISING THE STEPS OF PROVIDING A DELAY LINE HAVING A LAYER OF GOLD BONDED TO A FACET THEREOF, CLEANING THE GOLD LAYER, PROVIDING A STRIP OF ACOUSTIC ABSORBER MATERIAL CONSISTING ESSENTIALLY OF INDIUM, CLEANING THE MATING SURFACE ADJACENT SAID GOLD TERIAL, DISPOSING SAID MATING SURFACE ADJACENT SAID GOLD LAYER, HEATING THE ASSEMBLY SO FORMED TO A TEMPERATURE OF ABOUT 150*C. WHILE APPLYING A PRESSURE THERETO OF APPROXIMATELY 180 POUNDS PER SQUARE INCH, AND THEREAFTER REMOVING THE EXCESS INDIUM ABOUT THE PERIPHERY OF SAID ACOUSTIC ABSORBER.
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |