US2059733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cleaning drain traps
Assignee: Individual
•
Filing: 1934-05-17
•
Granted: 1936-11-03
•
Expires: 1954-05-17
Abstract
No abstract record available.
Inventors
- 👤 Otto E Heisser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:38
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/30; E03C1/304; E03C1/306; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4252; Y10T137/4259; Y10T137/4273; Y10T137/428; Y10T137/4358; Y10T137/4442; Y10T137/4456; Y10T137/4463; Y10T137/4576; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7939; Y10T137/794; Y10T137/8013
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) | 1939-11-03 | 1940-05-04 | 1940-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-03 | 1944-05-04 | 1944-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-03 | 1948-05-04 | 1948-11-03 | $7700.00 | Window Closed / Lapsed |