US2443749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device
Assignee: BENJAMIN J AUDETTE
•
Filing: 1946-01-19
•
Granted: 1948-06-22
•
Expires: 1966-01-19
Abstract
No abstract record available.
Inventors
- 👤 Werner W Stunkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/84; B29C66/861; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/82; B29C66/822; B29C66/8221; B29C66/8227; B29C66/83; B29C66/832; B29C66/8324; B29C66/836; B29C66/8362; B65; B65B; B65B51/00; B65B51/10; B65B51/16; H; H05; H05B; H05B3/00; H05B3/02; B29C66/8614; B31; B31B; B31B50/00; B31B50/60; B31B50/64; Y; Y10; Y10T; Y10T156/00; Y10T156/18
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) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |