US2503560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for tamping in sheet material for roofs and the like
Assignee: Individual
•
Filing: 1947-04-02
•
Granted: 1950-04-11
•
Expires: 1967-04-02
Abstract
No abstract record available.
Inventors
- 👤 Maurice L Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:02
CPC Classifications
E; E04; E04D; E04D15/00; E04D15/06; B; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/80; B29C66/81; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1788; Y10T156/179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |