US2767673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bound buttonholes
Assignee: White Sewing Machine Corp
•
Filing: 1952-10-23
•
Granted: 1956-10-23
•
Expires: 1972-10-23
Abstract
No abstract record available.
Inventors
- 👤 Dolores M Gough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:09
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/10; D05D; D05D2303/00; D05D2303/20; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45759
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |