Patent US2988534A successfully refreshed from Google Patents.
US2988534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel organic tin compounds and processes for their production and process for stabilizing halogen containing, high-molecular compounds against the action of light and heat
Assignee: Individual
•
Filing: 1956-12-06
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Granted: 1961-06-13
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Expires: 1976-12-06
Abstract
No abstract record available.
Inventors
- 👤 Eckelmann Alfred
- 👤 Kuschk Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:01
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
ORGANIC TIN COMPOUNDS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
ORGANIC TIN COMPOUNDS OF THE GENERAL FORMULA
Claim 3
Dependent Claim
13 words
A PROCESS FOR THE PRODUCTION OF ORGANIC TIN COMPOUNDS OF THE GENERAL FORMULA
Claim 4
Dependent Claim
13 words
A PROCESS FOR THE PRODUCTION OF ORGANIC TIN COMPOUNDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2592926A
Cited
US2628211A
Cited
US2727917A
Cited
US2745819A
Cited
US2704756A
Cited
US2809956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |