US3094547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluoroalkylsulfonamidoalkyl esters of phosphorus acids
Assignee: 3M Co
•
Filing: 1961-02-06
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Granted: 1963-06-18
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 Richard F Heine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/16; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/14; C07F9/16; C07F9/165; C07F9/1651; C07F9/22; C07F9/24; C07F9/2404; C07F9/2408; C08; C08G; C08G73/00; C08G73/02; C08G73/0246; C08G73/0253; C08G79/00; C08G79/02; C08G79/04; C08G79/06; C10; C10M; C10M1/00; C10M1/08; C11; C11D; C11D1/00; C11D1/004; C11D1/006; C14; C14C; C14C11/00; C14C9/00; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A FLUORINATED COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A FLUORINATED COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2803656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |