Patent US3393493A successfully refreshed from Google Patents.
US3393493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag-making machine
Assignee: Individual
•
Filing: 1965-10-15
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Granted: 1968-07-23
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Membrino Hercules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:54
CPC Classifications
B; B65; B65B; B65B9/00; B65B9/06; B65B9/08; B65B9/093; B31; B31B; B31B2155/00; B31B2155/001; B31B2155/0014; B31B70/00; B31B70/74; B31B70/92; B31B70/94; B31B70/946
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2194451A
Cited
US2633684A
Cited
US2612738A
Cited
US2565444A
Cited
US3033257A
Cited
US3197936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |