US2986193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming metal building elements
Assignee: Lifetime Metal Building Co
•
Filing: 1956-01-25
•
Granted: 1961-05-30
•
Expires: 1976-01-25
Abstract
No abstract record available.
Inventors
- 👤 Howell Pat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:32
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/08; B21D11/00; B21D11/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49826; Y10T29/49828; Y10T29/49893
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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |