Patent US4332633A successfully refreshed from Google Patents.
US4332633A
Expired / Lapsed
US
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Method for producing shoulder pad material
Assignee: Carl Freudenberg KG
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Filing: 1980-11-24
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Granted: 1982-06-01
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Expires: 2000-11-24
Abstract
Abstract A method of producing a shoulder pad blank having a thick-walled portion and a thin-walled portion comprising cutting a sheet of shoulder pad stock material sinusoidally into two intermediate blanks each having a plurality of ridges spaced a predetermined distance from each other, and then cutting the ridges sinusoidally along their length.
Inventors
- 👤 Katsuyoshi Yamauchi
- 👤 Kiyoto Nakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:45
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/28; B26D3/281; A; A41; A41D; A41D27/00; A41D27/26; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1059
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
A method of producing a shoulder pad blank having a thick-walled portion and a thin-walled portion comprising cutting a sheet of shoulder pad stock material sinusoidally into two intermediate blanks each having a plurality of ridges spaced a predetermined distance from each other, cutting the ridges sinusoidally along their length, subdividing the blank into individual blanks comprising a thick mountainous center surrounded by a thin section, and cutting the individual blanks in half through the mountainous center.
Claim 2
Independent Claim
77 words
A method of producing a shoulder pad blank having a thick-walled portion and a thin-walled portion comprising cutting a sheet of shoulder pad stock material sinusoidally into two intermediate blanks each having a plurality of ridges spaced a predetermined distance from each other, cutting the ridges sinusoidally along their length, subdividing the blank into individual blanks comprising a thick mountainous center surrounded by a thin section, and cutting the individual blanks in half through the mountainous center.
Claim 3
Dependent Claim
26 words
A method according to claim 1, wherein the sheet comprises a bulky non-woven fabric wherein the fibers are bonded to one another with an elastic binder.
References Cited (Backward Citations)
US2646573A
Cited
US3197357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |