US2248248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag sealing machine
Assignee: EDWIN J MCILVRIED
•
Filing: 1938-08-24
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Granted: 1941-07-08
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Expires: 1958-08-24
Abstract
No abstract record available.
Inventors
- 👤 Norman H Nye
- 👤 Ralph L Penn
- 👤 Ralph W Penn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:21
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/224; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/148; B29C65/222; B29C65/229; B29C66/431; B29C66/4312; B29C66/90; B29C66/91; Y; Y10; Y10T; Y10T156/00; Y10T156/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |