US3287660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state chemical source for ammonia beam maser
Assignee: Individual
•
Filing: 1964-01-24
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Granted: 1966-11-22
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/003; C01C1/006; B; B01; B01J; B01J7/00; H; H01; H01S; H01S1/00; H01S1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A SOLID STATE CHEMICAL SOURCE FOR AN AMMONIA BEAM MASER COMPRISING: A RESERVOIR CONTAINING AN AMMONIA SALT; PASSAGE MEANS CONNECTING SAID RESERVOIR TO SAID MASER; AND MEANS FOR REGULATING THE TEMPERATURE OF SAID RESERVOIR AT A PREDETERMINED LEVEL THEREBY CAUSING SAID SALT TO DISSOCIATE AND LIBERATE GASEOUS AMMONIA THROUGH SAID PASSAGE MEANS AT A PREDETERMINED PRESSURE PROPORTIONAL TO THE TEMPERATURE OF SAID RESERVOIR.
Claim 2
Dependent Claim
63 words
A SOLID STATE CHEMICAL SOURCE FOR AN AMMONIA BEAM MASER COMPRISING: A RESERVOIR CONTAINING AN AMMONIA SALT; PASSAGE MEANS CONNECTING SAID RESERVOIR TO SAID MASER; AND MEANS FOR REGULATING THE TEMPERATURE OF SAID RESERVOIR AT A PREDETERMINED LEVEL THEREBY CAUSING SAID SALT TO DISSOCIATE AND LIBERATE GASEOUS AMMONIA THROUGH SAID PASSAGE MEANS AT A PREDETERMINED PRESSURE PROPORTIONAL TO THE TEMPERATURE OF SAID RESERVOIR.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |