US2979003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for sewing concealed slide fasteners
Assignee: IRVING CONSTANT
•
Filing: 1958-01-16
•
Granted: 1961-04-11
•
Expires: 1978-01-16
Abstract
No abstract record available.
Inventors
- 👤 Philip E Crystal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:13
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B35/064; D05B73/00; D05B73/04; D05B73/12; D05D; D05D2303/00; D05D2303/02; D05D2305/00; D05D2305/02; D05D2305/04; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2591
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2078874A
Cited
US2166350A
Cited
US2232332A
Cited
US2574351A
Cited
US2667849A
Cited
US2776635A
Cited
US2746412A
Cited
GB745564A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |