US2970676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Framework construction
Assignee: Olin Corp
•
Filing: 1958-01-27
•
Granted: 1961-02-07
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Maciunas George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:28
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2406; E04B2001/2421; E04B2001/2451; E04B2001/2466; E04B2001/2472; E04B2001/2481; E04B2001/2484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1095009A
Cited
US1581487A
Cited
US1984355A
Cited
US2166003A
Cited
US2846734A
Cited
US2691718A
Cited
US2741117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |