US2908933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum apparatus for picking up particles of clipped hair
Assignee: Individual
•
Filing: 1954-10-20
•
Granted: 1959-10-20
•
Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr John Todd
- 👤 Robert P Rardain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:14
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A45; A45D; A45D44/00; A45D44/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1155341A
Cited
US1221221A
Cited
GB170105A
Cited
US2022601A
Cited
US2068496A
Cited
US2068404A
Cited
US2321231A
Cited
US2655147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |