US2994933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grommet
Assignee: Individual
•
Filing: 1956-04-04
•
Granted: 1961-08-08
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Sheemon A Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:52
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/45; B29C61/00; B29C61/04; B29C61/06; B29C61/0608; B29C65/00; B29C65/56; B29C65/60; B29C65/601; B29C65/602; B29C65/66; B29C65/68; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C67/00; F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; B29L; B29L2031/00; B29L2031/727; B29L2031/7288; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10S411/00; Y10S411/02; Y10S411/909; Y10T; Y10T24/00; Y10T24/37; Y10T24/3742; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2510693A
Cited
US2458152A
Cited
US2671889A
Cited
US2620513A
Cited
US2719324A
Cited
US2756624A
Cited
US2759390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |