Patent US3330708A successfully refreshed from Google Patents.
US3330708A
Expired / Lapsed
US
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Floor coverings
Assignee: Paerse Laing Ltd
•
Filing: 1961-07-03
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Granted: 1967-07-11
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Paerse Cyril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:01
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0026; D04; D04H; D04H11/00; D04H11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258238A
Cited
US2266846A
Cited
GB818432A
Cited
US2991212A
Cited
US2910762A
Cited
US2949660A
Cited
US3142611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |