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Patent US2937779A successfully refreshed from Google Patents.
US2937779A
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US
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Asphalt roof laying machine
Assignee: Individual
•
Filing: 1958-03-28
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Granted: 1960-05-24
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Frank A Reustle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:58
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/06; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1788; Y10T156/179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021417A
Cited
US2197879A
Cited
US2373239A
Cited
US2500583A
Cited
US2493893A
Cited
US2546308A
Cited
US2817460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |