US3517660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace screen
Assignee: KNICKERBOCKER METAL GUILD Inc
•
Filing: 1969-01-28
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Granted: 1970-06-30
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Expires: 1989-01-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard Springer
- 👤 Abraham D Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:59
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/191; F24B1/192; E; E06; E06B; E06B3/00; E06B3/96; E06B3/964; E06B3/968; E06B3/976; E06B3/9765
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |