Patent JPS5494525A successfully refreshed from Google Patents.
Patent US5438216A successfully refreshed from Google Patents.
US3274041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making sheet material
Assignee: Individual
•
Filing: 1964-09-29
•
Granted: 1966-09-20
•
Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin R Gill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:36
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; B; B29; B29D; B29D11/00; B29D11/00605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A METHOD OF PRODUCING A FLEXIBLE WEATHERPROOF REFLEX LIGHT REFLECTOR SHEET COMPRISING EMBOSSING INNER FACES OF AN OUTER AND A LOWER WEB OF FLEXIBLE WATER RESISTANT LIGHT TRANSMITTING MATERIAL TO FORM EACH WEB INTO A LAMINA HAVING A SMOOTH OUTER SURFACE AND AN INNER SURFACE EMBOSSED WITH A PLURALITY OF OUTWARDLY PROJECTING ROUNDED PROJECTIONS IN AN ALL-OVER PATTERN COVERING THE SURFACE SO EMBOSSED, APPLYING AN ADHESIVE LIGHT TRANSMITTING MATERIAL HAVING AN INDEX OF REFRACTION SUBSTANTIALLY LOWER THAN THE INDEX OF REFRACTION OF SAID OUTER AND LOWER WEBS TO THE EMBOSSED SURFACES, BRINGING SAID COATED EMBOSSED SURFACES TOGETHER WITH THE ADJACENT PROJECTIONS ON THE TWO WEBS IN ALIGNMENT WITH THE FACES OF SAID ALIGNED PROJECTIONS IN THE TWO WEBS BEING SEPARATED NOT MORE THAN 0.4 TIME THE RADIUS OF THE ROUNDED PROJECTIONS AND WITH THE ADHESIVE COMPLETELY FILLING THE SPACES BETWEEN THE SAID WEBS, AND CURING SAID ADHESIVE WHILE SAID WEBS ARE MAINTAINED IN THEIR RESPECTIVE POSITIONS.
Claim 2
Independent Claim
156 words
A METHOD OF PRODUCING A FLEXIBLE WEATHERPROOF REFLEX LIGHT REFLECTOR SHEET COMPRISING EMBOSSING INNER FACES OF AN OUTER AND A LOWER WEB OF FLEXIBLE WATER RESISTANT LIGHT TRANSMITTING MATERIAL TO FORM EACH WEB INTO A LAMINA HAVING A SMOOTH OUTER SURFACE AND AN INNER SURFACE EMBOSSED WITH A PLURALITY OF OUTWARDLY PROJECTING ROUNDED PROJECTIONS IN AN ALL-OVER PATTERN COVERING THE SURFACE SO EMBOSSED, APPLYING AN ADHESIVE LIGHT TRANSMITTING MATERIAL HAVING AN INDEX OF REFRACTION SUBSTANTIALLY LOWER THAN THE INDEX OF REFRACTION OF SAID OUTER AND LOWER WEBS TO THE EMBOSSED SURFACES, BRINGING SAID COATED EMBOSSED SURFACES TOGETHER WITH THE ADJACENT PROJECTIONS ON THE TWO WEBS IN ALIGNMENT WITH THE FACES OF SAID ALIGNED PROJECTIONS IN THE TWO WEBS BEING SEPARATED NOT MORE THAN 0.4 TIME THE RADIUS OF THE ROUNDED PROJECTIONS AND WITH THE ADHESIVE COMPLETELY FILLING THE SPACES BETWEEN THE SAID WEBS, AND CURING SAID ADHESIVE WHILE SAID WEBS ARE MAINTAINED IN THEIR RESPECTIVE POSITIONS.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |