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US1670002A
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US
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Temporary lock for valve handles
Assignee: MASCH und APP BAU ANSTALT G M
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Filing: 1927-05-26
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Granted: 1928-05-15
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Expires: 1947-05-26
Abstract
No abstract record available.
Inventors
- 👤 Pferdmenges Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:39
CPC Classifications
D; D06; D06B; D06B1/00; D06C; D06C2700/00; D06C2700/13; D06C2700/135; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7355; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7802
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) | 1931-05-15 | 1931-11-14 | 1932-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-15 | 1935-11-14 | 1936-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-15 | 1939-11-14 | 1940-05-15 | $7700.00 | Window Closed / Lapsed |