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Patent US3019247A successfully refreshed from Google Patents.
US3019247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New organotin derivatives
Assignee: Carlisle Chemical Works Inc
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Filing: 1957-01-29
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Granted: 1962-01-30
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Expires: 1977-01-29
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
- 👤 Parker Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:30
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS A NEW CHEMICAL COMPOUND, DIALKYL TIN DI(ALKYLENEGLYCOL MALEATE) OF THE FROMULA
Claim 2
Dependent Claim
12 words
AS A NEW CHEMICAL COMPOUND, DIALKYL TIN DI(ALKYLENEGLYCOL MALEATE) OF THE FROMULA
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |