US3053514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal fabrications
Assignee: Olin Corp
•
Filing: 1954-08-30
•
Granted: 1962-09-11
•
Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Leland H Grenell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:14
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/02; B21D53/04; B21D53/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE401476C
Cited
US1723659A
Cited
US1709865A
Cited
US1798652A
Cited
US2034278A
Cited
US2212481A
Cited
DE734698C
Cited
US2375334A
Cited
US2481511A
Cited
US2514469A
Cited
US2585736A
Cited
US2582358A
Cited
US2690002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |