US3067560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas purifier
Assignee: General Electric Co
•
Filing: 1961-01-03
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Granted: 1962-12-11
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Parker Frederick Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:30
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; B01D53/261; B01D53/02; B01D53/04; B01D53/0407; B01D2251/00; B01D2251/30; B01D2251/302; B01D2251/60; B01D2251/604; B01D2253/00; B01D2253/10; B01D2253/102; B01D2257/00; B01D2257/50; B01D2257/504; B01D2257/80; B01D2259/00; B01D2259/45; B01D2259/4566; B01D2259/4575; B01D53/0438; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 0
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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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |