US3188372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for compacting materials
Assignee: Bird Machine Co Inc
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Filing: 1961-08-25
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Granted: 1965-06-08
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Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 John T Roos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:14
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/12; B31F1/122; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29C53/26; B29C53/265; B31F1/128; B31F1/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
THE PROCESS OF TREATING A TRAVELING WEB COMPRISING FORMING LONGITUDINAL CORRUGATIONS IN SAID WEB AS IT TRAVELS AND PASSING THE THUS CORRUGATED WEB THROUGH A NIP OF OPPOSED TRAVELING PRESS SURFACES FOR CRUSHING THE CORRUGATIONS WITHOUT PLEATING, AT LEAST PARTIALLY SUPPORTING THE CORRUGATIONS AT LEAST AT ONE SURFACE OF SAID WEB AS IT PASSES THROUGH SAID NIP BY CAUSING THE CORRUGATIONS OF THE WEB TO INTERMESH WITH RIDGES AND GROOVES IN A PRESS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |