Patent US3338950A successfully refreshed from Google Patents.
US3338950A
Expired / Lapsed
US
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Iodopropargyl aralkyl ether compounds
Assignee: Meiji Seika Kaisha Ltd
•
Filing: 1964-07-07
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Granted: 1967-08-29
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Seki Shigeo
- 👤 Ogawa Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:24
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/21; C07C65/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
IODOPROPARGYL ARALKYL ETHERS REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
8 words
IODOPROPARGYL ARALKYL ETHERS REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |