Patent US2937382A successfully refreshed from Google Patents.
US3020183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective insulating mat
Assignee: Individual
•
Filing: 1959-05-13
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Granted: 1962-02-06
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Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Calvaresi Archie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:43
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/30; A01G13/32; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T428/00; Y10T428/23; Y10T428/237
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637497A
Cited
US1691783A
Cited
US2113068A
Cited
US2278732A
Cited
US2501540A
Cited
US2867035A
Cited
US2779066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |