Patent US3158499A successfully refreshed from Google Patents.
US3158499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of depositing metal coatings in holes, tubes, cracks, fissures and the like
Assignee: Union Carbide Corp
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Filing: 1961-07-07
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Granted: 1964-11-24
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 William C Jenkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:17
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/04; C23C16/045; C23C16/44; C23C16/455; C23C16/45557
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF DEPOSITING METAL IN SMALL CAVITIES AND DEAD END FISSURES WHICH COMPRISES THE STEPS OF INTRODUCING A THERMALLY DECOMPOSABLE GASEOUS METAL COMPOUND INTO THE AREA TO BE PLATED WITH METAL UNDER CONTINUOUS PULSATING GAS PRESSURE CONDITIONS, AND CONTACTING SAID AREAS WITH THE CONTINUOUSLY PULSATING GAS WHILE SAID AREAS ARE AT A TEMPERATURE TO CAUSE DECOMPOSITION OF SAID PULSATING GAS AND DEPOSITION OF METAL ON THE BOTTOM AND SIDE WALLS OF SAID CAVITIES AND DEAD END FISSURES, SAID PULSATING PRESSURE OF THE PLATING GAS BEING EFFECTED BY PROVIDING SHUTTING OFF AND ON THE FLOW OF GAS TO THE AREAS BEING TREATED.
Claim 2
Independent Claim
102 words
A METHOD OF DEPOSITING METAL IN SMALL CAVITIES AND DEAD END FISSURES WHICH COMPRISES THE STEPS OF INTRODUCING A THERMALLY DECOMPOSABLE GASEOUS METAL COMPOUND INTO THE AREA TO BE PLATED WITH METAL UNDER CONTINUOUS PULSATING GAS PRESSURE CONDITIONS, AND CONTACTING SAID AREAS WITH THE CONTINUOUSLY PULSATING GAS WHILE SAID AREAS ARE AT A TEMPERATURE TO CAUSE DECOMPOSITION OF SAID PULSATING GAS AND DEPOSITION OF METAL ON THE BOTTOM AND SIDE WALLS OF SAID CAVITIES AND DEAD END FISSURES, SAID PULSATING PRESSURE OF THE PLATING GAS BEING EFFECTED BY PROVIDING SHUTTING OFF AND ON THE FLOW OF GAS TO THE AREAS BEING TREATED.
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |