US3048339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diffuser
Assignee: FMC Corp
•
Filing: 1959-03-09
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Granted: 1962-08-07
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Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 John A Tapleshay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:58
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/231; B01F23/23105; B01F23/2312; B01F23/23125; B01F23/23123; B01F23/23126; B01F23/231262; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S261/00; Y10S261/70
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |