US2960983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating unit
Assignee: Goss Gas Inc
•
Filing: 1959-01-28
•
Granted: 1960-11-22
•
Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 John C Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:16
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/70; E04B1/7015; F; F24; F24H; F24H3/00; F24H3/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1641011A
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US1994968A
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US2295177A
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US2517015A
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US2483081A
Cited
US2885858A
Cited
US2538953A
Cited
US2682867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |