Patent US1669617A successfully refreshed from Google Patents.
US2810944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water and gas-tight sliding clasp fastener
Assignee: GIOVANNI MASTRACCHI MANES
•
Filing: 1953-04-21
•
Granted: 1957-10-29
•
Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 Sander Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:53
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/26; A44B19/267; A44B19/10; A44B19/16; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/25; Y10T24/2532; Y10T24/2534; Y10T24/2561; Y10T24/2582
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE497743A
Cited
US833501A
Cited
US1959319A
Cited
US2035028A
Cited
US2496878A
Cited
US2581604A
Cited
US2606351A
Cited
US2641037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |