US2941280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal fabrication
Assignee: Olin Corp
•
Filing: 1955-10-03
•
Granted: 1960-06-21
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Charles A Heuer
- 👤 Charles O Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:05
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/14; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; B23; B23K; B23K35/00; B23K35/22; B23K35/224; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/936; Y10S428/939; Y10S428/94; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49369; Y10T428/00; Y10T428/12; Y10T428/12292; Y10T428/12347; Y10T428/12493; Y10T428/12986
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |