US2071575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring fastener
Assignee: Individual
•
Filing: 1935-06-20
•
Granted: 1937-02-23
•
Expires: 1955-06-20
Abstract
No abstract record available.
Inventors
- 👤 Harold J Reiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:38
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0011; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45796; Y10T24/45801; Y10T24/45822; Y10T24/45832; Y10T24/4588; Y10T24/45906; Y10T24/45911; Y10T24/45927
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) | 1940-02-23 | 1940-08-24 | 1941-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-02-23 | 1944-08-24 | 1945-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-02-23 | 1948-08-24 | 1949-02-23 | $7700.00 | Window Closed / Lapsed |