US2619856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Button drilling machine
Assignee: United Shoe Machinery Corp
•
Filing: 1951-12-08
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Granted: 1952-12-02
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Expires: 1971-12-08
Abstract
No abstract record available.
Inventors
- 👤 Hutchinson Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:41
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/14; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/3833; Y10T408/52; Y10T408/54; Y10T408/545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |