Patent US2682680A successfully refreshed from Google Patents.
US2682680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion arrangement for suction cleaners
Assignee: HENNEY MOTOR Co Inc
•
Filing: 1948-03-17
•
Granted: 1954-07-06
•
Expires: 1968-03-17
Abstract
No abstract record available.
Inventors
- 👤 Roy L Trimble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:20
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US187532A
Cited
US1309093A
Cited
US2140143A
Cited
US2054692A
Cited
US2094138A
Cited
US2084234A
Cited
US2190882A
Cited
US2180065A
Cited
US2287922A
Cited
US2366125A
Cited
US2482337A
Cited
US2616115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |