Patent US3518102A successfully refreshed from Google Patents.
US3518102A
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Method and apparatus for making foam backed carpets
Assignee: Diersch and Schroder
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Filing: 1965-07-09
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Granted: 1970-06-30
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Lothar Mertgen
- 👤 Joachim Schabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:42
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N2205/00; D06N2205/02; D06N2205/026; D06N2205/04; D06N2209/00; D06N2209/02; D06N2209/025; D06N2209/06; D06N2209/065; D06N2209/16; D06N2209/1628; D06N2213/00; D06N2213/06; D06N2213/063; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964; Y10T428/23986
Claims Analysis
Total Claims: 0
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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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |