US2197916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket
Assignee: Detroit Gasket and Manufacturing Co
•
Filing: 1937-01-27
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Granted: 1940-04-23
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Expires: 1957-01-27
Abstract
No abstract record available.
Inventors
- 👤 George T Balfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:05
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0806; F16J15/0812; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/12424; Y10T428/12444; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12951; Y10T428/12958; Y10T428/12965
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |