US2828704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ornamental stitching attachments for sewing machines
Assignee: Singer Co
•
Filing: 1954-10-08
•
Granted: 1958-04-01
•
Expires: 1974-10-08
Abstract
No abstract record available.
Inventors
- 👤 John P Enos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:51
CPC Classifications
D; D05; D05B; D05B21/00; D05B21/002; D05B73/00; D05B73/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US887503A
Cited
US979537A
Cited
US1893912A
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US2627239A
Cited
US2676558A
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US2652796A
Cited
US2619925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |