US3049874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radioactive ionizer for a combination changer
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-10-30
•
Granted: 1962-08-21
•
Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Morris R Morrow
- 👤 Jr Andrew D Suttle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:12
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F02; F02B; F02B51/00; F02B51/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777554A
Cited
US1820878A
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FR782908A
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FR792776A
Cited
US2721788A
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US2766582A
Cited
US2791883A
Cited
US2723349A
Cited
US2850641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |