US3048868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial sweeper
Assignee: Individual
•
Filing: 1958-10-17
•
Granted: 1962-08-14
•
Expires: 1978-10-17
Abstract
No abstract record available.
Inventors
- 👤 Paul D Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:37
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4072; A47L11/22; A47L11/4013; A47L11/4025; A47L11/4036; A47L11/4041; A47L11/4052; A47L11/4058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US260257A
Cited
US283318A
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US283415A
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US548659A
Cited
US552887A
Cited
US777175A
Cited
US1507317A
Cited
US2587038A
Cited
US2657518A
Cited
GB765671A
Cited
US2918687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |