US2676556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag stitching machine
Assignee: Individual
•
Filing: 1951-07-16
•
Granted: 1954-04-27
•
Expires: 1971-07-16
Abstract
No abstract record available.
Inventors
- 👤 Thorval J Lockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
D; D05; D05B; D05B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321232A
Cited
US1377624A
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US1044301A
Cited
US1170303A
Cited
US2164501A
Cited
US2282200A
Cited
US2293686A
Cited
US2423080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |