US1900366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag coupling
Assignee: AIRWAY ELECTRIC APPLIANCE Corp
•
Filing: 1931-05-28
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Granted: 1933-03-07
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Expires: 1951-05-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick Riebel
- 👤 Dewey M Dow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:55
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; Y; Y10; Y10S; Y10S55/00; Y10S55/02; Y10S55/03; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079
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) | 1936-03-06 | 1936-09-05 | 1937-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-06 | 1940-09-05 | 1941-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-06 | 1944-09-05 | 1945-03-07 | $7700.00 | Window Closed / Lapsed |