US2991739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
"teflon" faced shoe for the pressure foot of a sewing machine or the like
Assignee: Individual
•
Filing: 1957-12-02
•
Granted: 1961-07-11
•
Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Joa Curt George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:56
CPC Classifications
D; D05; D05B; D05B29/00; D05B29/06; D05D; D05D2209/00; D05D2209/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US47978A
Cited
US857431A
Cited
US765884A
Cited
US770008A
Cited
DE654308C
Cited
US2674036A
Cited
US2706460A
Cited
US2814266A
Cited
US2750697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |