US1720673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for pressure regulators
Assignee: GROBLE GAS REGULATOR Co
•
Filing: 1928-02-01
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Granted: 1929-07-16
•
Expires: 1948-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jacob C Groble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643; Y10T137/4666; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7794; Y10T137/7831
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) | 1932-07-15 | 1933-01-14 | 1933-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-15 | 1937-01-14 | 1937-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-15 | 1941-01-14 | 1941-07-16 | $7700.00 | Window Closed / Lapsed |