US1998319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Atwood Vacuum Machine Co
•
Filing: 1933-07-03
•
Granted: 1935-04-16
•
Expires: 1953-07-03
Abstract
No abstract record available.
Inventors
- 👤 George H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:19
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/02; E05D3/022; E05D3/06; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/624; E05Y2201/626; E05Y2201/71
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) | 1938-04-15 | 1938-10-15 | 1939-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-15 | 1942-10-15 | 1943-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-15 | 1946-10-15 | 1947-04-16 | $7700.00 | Window Closed / Lapsed |