Patent US2870182A successfully refreshed from Google Patents.
US2870182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic derivatives of tetravalent tin
Assignee: ARGUS CHEMICAL LAB Inc
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Filing: 1952-05-14
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Granted: 1959-01-20
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Expires: 1972-05-14
Abstract
No abstract record available.
Inventors
- 👤 William E Leistner
- 👤 Arthur C Hecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58; C07; C07F; C07F7/00; C07F7/22; C07F7/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS A NEW COMPOUND, A PRODUCT CORRESPONDIGN TO THE FORMULA
Claim 2
Dependent Claim
10 words
AS A NEW COMPOUND, A PRODUCT CORRESPONDIGN TO THE FORMULA
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |