US2101255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pessaries
Assignee: Durex Products Inc
•
Filing: 1930-03-01
•
Granted: 1937-12-07
•
Expires: 1950-03-01
Abstract
No abstract record available.
Inventors
- 👤 Rene M Hay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:43
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/436; B29C53/00; B29C53/34; B29C65/00; B29C65/02; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/70; B29C66/71; B29C70/00; B29C70/68; B29C70/70; B29K; B29K2021/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
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) | 1940-12-06 | 1941-06-07 | 1941-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-06 | 1945-06-07 | 1945-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-06 | 1949-06-07 | 1949-12-07 | $7700.00 | Window Closed / Lapsed |