US2343983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating on thermoplastic eyelets
Assignee: United Shoe Machinery Corp
•
Filing: 1943-04-29
•
Granted: 1944-03-14
•
Expires: 1963-04-29
Abstract
No abstract record available.
Inventors
- 👤 Cutler D Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:58
CPC Classifications
A; A43; A43D; A43D100/00; A43D100/02; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10S411/00; Y10S411/904; Y10S411/907; Y10T; Y10T24/00; Y10T24/37; Y10T24/3742; Y10T24/3745; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/49943
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-03-14 | 1947-09-13 | 1948-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-14 | 1951-09-13 | 1952-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-14 | 1955-09-13 | 1956-03-14 | $7700.00 | Window Closed / Lapsed |