Patent US2595528A successfully refreshed from Google Patents.
US2595528A
Expired / Lapsed
US
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Portable insulation spraying device
Assignee: Individual
•
Filing: 1950-04-28
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Granted: 1952-05-06
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Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 James L Kempthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:20
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12; B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/1413; B05B7/1418; B05B7/1481; B05B7/149; B05B7/1495; B05B7/1427; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2429; B05B9/00; B05B9/03; B05B9/04; B05B9/08; B05B9/085; B05B9/0855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1045217A
Cited
US1278768A
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US1755329A
Cited
US2343163A
Cited
US2391048A
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US2433463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |