US3053722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rib forming method
Assignee: Hudson Engineering Corp
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Filing: 1959-06-08
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Granted: 1962-09-11
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Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 Petty Macon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:18
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF FORMING A RIB UPON A BASE OF REINFORCED PLASTIC MATERIAL, COMPRISING THE STEPS OF BENDING A THIN SHEET OF MATERIAL INTO A SUBSTANTIALLY RIGID ARCH HAVING THE GENERAL SHAPE OF THE RIB TO BE FORMED, DISPOSING THE SHEET OVER THE BASE ALONG THE DESIRED LOCATION OF THE RIB AND WITH THE ARCH SPACED ABOUT IT, DISPOSING A FLEXIBLE LAYER OF REINFORCED PLASTIC MATERIAL WHICH IS WELDABLE TO THE BASE MATERIAL OVER THE SHEET AND WITH ITS LATERAL EDGES OVERLAPPING THOSE OF THE SHEET, AND CURING THE LAYER TO MOLD IT TO THE SHEET AND WELD ITS EDGES TO THE BASE
Claim 2
Independent Claim
103 words
A METHOD OF FORMING A RIB UPON A BASE OF REINFORCED PLASTIC MATERIAL, COMPRISING THE STEPS OF BENDING A THIN SHEET OF MATERIAL INTO A SUBSTANTIALLY RIGID ARCH HAVING THE GENERAL SHAPE OF THE RIB TO BE FORMED, DISPOSING THE SHEET OVER THE BASE ALONG THE DESIRED LOCATION OF THE RIB AND WITH THE ARCH SPACED ABOUT IT, DISPOSING A FLEXIBLE LAYER OF REINFORCED PLASTIC MATERIAL WHICH IS WELDABLE TO THE BASE MATERIAL OVER THE SHEET AND WITH ITS LATERAL EDGES OVERLAPPING THOSE OF THE SHEET, AND CURING THE LAYER TO MOLD IT TO THE SHEET AND WELD ITS EDGES TO THE BASE
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |