US2358206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attaching device
Assignee: Duffy Manufacturing Co
•
Filing: 1941-01-17
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Granted: 1944-09-12
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Expires: 1961-01-17
Abstract
No abstract record available.
Inventors
- 👤 Reemer A Boersma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:10
CPC Classifications
B; B60; B60R; B60R3/00; B60R3/002; F; F16; F16B; F16B21/00; F16B21/06; F16B21/07; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/30; Y10T24/309
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) | 1947-09-12 | 1948-03-13 | 1948-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-12 | 1952-03-13 | 1952-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-12 | 1956-03-13 | 1956-09-12 | $7700.00 | Window Closed / Lapsed |