US2803040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for graining flat asphaltic preset materials and the like
Assignee: GLOBE ROOFING PRODUCTS CO Inc
•
Filing: 1950-04-03
•
Granted: 1957-08-20
•
Expires: 1970-04-03
Abstract
No abstract record available.
Inventors
- 👤 Robert John
- 👤 Beckman George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:10
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; B26D7/2621; Y; Y10; Y10S; Y10S425/00; Y10S425/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US14542A
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US153649A
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US294387A
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US361822A
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US678227A
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US1576504A
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US1648598A
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US1665349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |