US2346347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for applying beads to the margins of strips
Assignee: Detroit Gasket and Manufacturing Co
•
Filing: 1941-03-20
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Granted: 1944-04-11
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Expires: 1961-03-20
Abstract
No abstract record available.
Inventors
- 👤 George T Balfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:53
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/12; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/53; Y10T29/53709; Y10T29/53787
Claims Analysis
Total Claims: 0
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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) | 1947-04-11 | 1947-10-11 | 1948-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-11 | 1951-10-11 | 1952-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-11 | 1955-10-11 | 1956-04-11 | $7700.00 | Window Closed / Lapsed |