US2709269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor sweeper
Assignee: LITTLE GIANT PRODUCTS Inc
•
Filing: 1952-03-14
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Granted: 1955-05-31
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Expires: 1972-03-14
Abstract
No abstract record available.
Inventors
- 👤 Russell T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:35
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4091; A47L11/24; A47L11/4013; A47L11/4025; A47L11/4052; A47L11/4058; A47L11/4061; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1969674A
Cited
US2156065A
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US2194297A
Cited
US2263722A
Cited
US2248012A
Cited
US2364493A
Cited
US2482692A
Cited
US2505576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |