US3727260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush
Assignee: As Jordon W Borste & Penselfab no
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Filing: 1971-07-09
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Granted: 1973-04-17
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Expires: 1991-07-09
Abstract
Abstract Brush having bristles of different lengths set in pairs.
Inventors
- 👤 B Spydevold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:51
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/023; A46B9/06; Y; Y10; Y10S; Y10S15/00; Y10S15/05; Y10S15/06; Y10S16/00; Y10S16/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A hair brush having a head portion, and set therein a plurality of pairs of bristles, substantially evenly distributed over said head portion, the bristles in each pair being of two different lengths, each pair of bristles being constituted by a single strand of material, folded upon itself about a point spaced from the mid-point of said strand, thus producing an equal number of short and long bristles, said head portion having said pairs of bristles individually fastened thereto.
Claim 2
Dependent Claim
79 words
A hair brush having a head portion, and set therein a plurality of pairs of bristles, substantially evenly distributed over said head portion, the bristles in each pair being of two different lengths, each pair of bristles being constituted by a single strand of material, folded upon itself about a point spaced from the mid-point of said strand, thus producing an equal number of short and long bristles, said head portion having said pairs of bristles individually fastened thereto.
References Cited (Backward Citations)
GB120341A
Cited
US1957363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |