US3778241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spheroidal peening particles adhesively bonded to a woven cloth
Assignee: Individual
•
Filing: 1970-06-25
•
Granted: 1973-12-11
•
Expires: 1990-06-25
Abstract
Abstract A rotary wheel, in which spheroidal peening particles are affixed to radially extending circumferentially spaced flaps of fibrous sheet material, is used to impart compressive stress to, or aid in shaping, metallic substrates.
Inventors
- 👤 G Gardner
- 👤 P Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:17
CPC Classifications
C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/06; B; B24; B24B; B24B39/00; B24B39/006; B24D; B24D11/00; B24D13/00; B24D13/02; B24D13/06; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/172; Y10T442/174
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
The article of claim 1 wherein the adhesive is a chain-extended polymer of polytetrahydrofuran.
Claim 2
Dependent Claim
19 words
The article of claim 1 wherein the adhesive is a blend of phenolic resin and rubbery butadiene: acrylonitrile copolymer.
References Cited (Backward Citations)
US2369462A
Cited
US2712987A
Cited
US2729553A
Cited
US2820746A
Cited
US3102010A
Cited
US3073734A
Cited
US3079243A
Cited
US3316072A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |