Patent US3221529A successfully refreshed from Google Patents.
US3221529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick mass assembly of mill housings
Assignee: Intercole Bolling Corp
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Filing: 1961-10-19
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Granted: 1965-12-07
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 William J H Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:10
CPC Classifications
B; B21; B21B; B21B17/00; B21B17/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A MILL HAVING A BASE PROVIDED WITH A LONGITUDINALLY EXTENDING RECESS HAVING A FINISHED SIDE WALL, A GROUP OF ROLL HOUSINGS SUPPORTED ON SAID BASE WITHIN SAID RECESS, AND MEANS TO PUSH SAID ROLL HOUSINGS AGAINST SAID FINISHED WALL TO ALIGN LONGITUDINALLY SAID ROLL HOUSINGS.
Claim 2
Dependent Claim
45 words
A MILL HAVING A BASE PROVIDED WITH A LONGITUDINALLY EXTENDING RECESS HAVING A FINISHED SIDE WALL, A GROUP OF ROLL HOUSINGS SUPPORTED ON SAID BASE WITHIN SAID RECESS, AND MEANS TO PUSH SAID ROLL HOUSINGS AGAINST SAID FINISHED WALL TO ALIGN LONGITUDINALLY SAID ROLL HOUSINGS.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |