US1611832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination vacuum tank and registering device
Assignee: Individual
•
Filing: 1924-12-15
•
Granted: 1926-12-21
•
Expires: 1944-12-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas T Givens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:53
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/06; B60K15/061; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896
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) | 1929-12-20 | 1930-06-21 | 1930-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-20 | 1934-06-21 | 1934-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-20 | 1938-06-21 | 1938-12-21 | $7700.00 | Window Closed / Lapsed |