Patent US3388515A successfully refreshed from Google Patents.
US3388515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface covering and method of applying same
Assignee: JACK EATON GRUETTNER
•
Filing: 1966-02-09
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Granted: 1968-06-18
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Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Gruettner Jack Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:53
CPC Classifications
E; E04; E04B; E04B9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA690473A
Cited
US1659762A
Cited
DE657044C
Cited
US2311170A
Cited
US2575941A
Cited
GB604065A
Cited
US2615211A
Cited
US3173523A
Cited
US3186712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |